1	UD5	5-fluorouridine	1.000
2	5FU	5-fluoro-uridine-5'-monophosphate	0.955
3	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.913
4	FNU	6-amino-5-fluorouridine 5'-(dihydrogen phosphate)	0.913
5	0U	L-uridine-5'-monophosphate	0.909
6	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.909
7	H2U	5,6-dihydrouridine-5'-monophosphate	0.909
8	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.909
9	SSU	Uridine-5'-phosphorothioate	0.909
10	U	Uridine-5'-monophosphate	0.909
11	U37	Uridine 5'-monothiophosphate	0.909
12	U5P	Uridine-5'-monophosphate	0.909
13	UAR	Uracil arabinose-5'-phosphate	0.909
14	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.909
15	5BU	5-bromo-uridine-5'-monophosphate	0.870
16	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.870
17	5MU	5-methyluridine 5'-monophosphate	0.870
18	A1L3O	5-hydroxyuridine 5'-phosphate	0.870
19	BMP	6-hydroxyuridine-5'-phosphate	0.870
20	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.870
21	D5D	[(1s)-1-[(2s,3s,4r,5r)-5-[2,4-bis(oxidanylidene)-1,3-diazinan-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]ethyl] dihydrogen phosphate	0.870
22	IU	5-iodouridine-5'-monophosphate	0.870
23	NUP	6-aminouridine 5'-monophosphate	0.870
24	S5P	6-sulfanyluridine-5'-phosphate	0.870
25	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.870
26	UR3	3-methyluridine-5'-monophoshate	0.870
27	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.864
28	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.864
29	DU	2'-deoxyuridine-5'-monophosphate	0.864
30	L2B	3'-deoxyuridine-5'-monophosphate	0.864
31	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.864
32	UMC	2'-deoxy-5'-uridylic acid	0.864
33	UMP	2'-deoxyuridine 5'-monophosphate	0.864
34	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.864
35	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.864
36	6CN	6-cyanouridine 5'-phosphate	0.833
37	A1BBB	5-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.833
38	CNU	5-cyano-uridine-5'-monophosphate	0.833
39	JW5	6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.833
40	U1P	6-[(E)-iminomethyl]uridine 5'-phosphate	0.833
41	UEP	6-ethyluridine 5'-phosphate	0.833
42	0C	L-cytidine-5'-monophosphate	0.826
43	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.826
44	1SC	5'-O-thiophosphonocytidine	0.826
45	2AU	2'-aminouridine	0.826
46	3DU	4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one	0.826
47	4SU	4-thiouridine-5'-monophosphate	0.826
48	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.826
49	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.826
50	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.826
51	A1IT3	2'-thiouridine-5'-monophosphate	0.826
52	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.826
53	C	Cytidine-5'-monophosphate	0.826
54	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.826
55	C5P	Cytidine-5'-monophosphate	0.826
56	CAR	Cytosine arabinose-5'-phosphate	0.826
57	CH	N3-protonated cytidine-5'-monophosphate	0.826
58	DT	Thymidine-5'-monophosphate	0.826
59	EW3	[(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)-1,3-diazinan-1-yl]-4-fluoranyl-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.826
60	F2T	2'-deoxy-2'-fluoro-5'-O-thiophosphonouridine	0.826
61	IC	Isocytidine-5'-monophosphate	0.826
62	ILK	[(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)selenolan-2-yl]methyl dihydrogen phosphate	0.826
63	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.826
64	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.826
65	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.826
66	PST	Thymidine-5'-thiophosphate	0.826
67	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.826
68	RUS	1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one	0.826
69	RY	5'-3,6-dihydrocytidylic acid	0.826
70	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.826
71	TMP	Thymidine-5'-phosphate	0.826
72	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.826
73	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.826
74	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.826
75	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.826
76	UP6	6-aza uridine 5'-monophosphate	0.826
77	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.826
78	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.818
79	Y5P	1-(5-O-phosphono-beta-D-ribofuranosyl)-1,4-dihydropyrimidine	0.818
80	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.818
81	2OM	5,6-dihydroorotidine 5'-monophosphate	0.800
82	6AU	6-acetyluridine 5'-phosphate	0.800
83	6AZ	6-azidouridine 5'-(dihydrogen phosphate)	0.800
84	MNU	(2r,4s)-1-[(4r)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(methylamino)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-diol-5'-mon ophosphate	0.800
85	OMP	Orotidine-5'-monophosphate	0.800
86	QRT	[(2~{R},3~{S},4~{R},5~{R})-5-[6-aminocarbonyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.800
87	QRZ	[(2~{R},3~{S},4~{R},5~{R})-5-[6-carbamothioyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.800
88	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.792
89	16B	N-hydroxycytidine 5'-(dihydrogen phosphate)	0.792
90	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.792
91	5IC	5-iodo-cytidine-5'-monophosphate	0.792
92	5MC	5-methylcytidine-5'-monophosphate	0.792
93	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.792
94	64T	5-hydroxy-thymidine-5'-monophosphate	0.792
95	7OK	N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer	0.792
96	A1BT7	2'-deoxy-5-fluoro-5-methyl-5,6-dihydrocytidine 5'-(dihydrogen phosphate)	0.792
97	A1I9V	5-methyl-2-thio-uridine-5'-monophosphate	0.792
98	A1IT4	1-(beta-D-ribofuranosyl)cyanuric acid-5'-monophosphate	0.792
99	A1L82	[(2~{R},3~{S},5~{R})-5-[(2~{R},4~{R},5~{S})-4-azanyl-5-fluoranyl-5-methyl-2-oxidanyl-1,3-diazinan-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.792
100	A6U	1,5-anhydro-2-deoxy-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-6-O-phosphono-D-altritol	0.792
101	B8Q	3-methyl, cytidine-5'-monophosphate	0.792
102	B8T	4-methyl, cytidine-5'-monophosphate	0.792
103	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.792
104	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.792
105	JMH	3-methylcytidine- 5'-monophosphate	0.792
106	K5X	[(2~{R},3~{R},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-4-fluoranyl-4-methyl-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.792
107	KBC	[(2~{R},3~{S},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-2-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.792
108	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.792
109	OKT	2'-O-methyluridine-5'-phosphorothioate	0.792
110	OMU	O2'-methyluridine 5'-monophosphate	0.792
111	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.792
112	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.792
113	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.792
114	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.792
115	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.792
116	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.792
117	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.792
118	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.792
119	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.792
120	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.792
121	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.792
122	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.792
123	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.783
124	2DT	3'-deoxythymidine-5'-monophosphate	0.783
125	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.783
126	8RO	[(2~{R},3~{S},5~{R})-5-(5-methyl-2-oxidanylidene-7-thia-1,3-diazabicyclo[4.1.0]hept-5-en-3-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite	0.783
127	C7R	2'-deoxy-5'-O-thiophosphonocytidine	0.783
128	C7S	2'-deoxy-5'-O-thiophosphonocytidine	0.783
129	CMR	2'-deoxy-cytidine-5'-rp-monomethylphosphonate	0.783
130	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.783
131	DC	2'-deoxycytidine-5'-monophosphate	0.783
132	DCM	2'-deoxycytidine-5'-monophosphate	0.783
133	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.783
134	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.783
135	O2C	3'-deoxy-cytidine-5'-monophosphate	0.783
136	ONE	1-(beta-D-ribofuranosyl)-pyridin-4-one-5'-phosphate	0.783
137	SC	2-deoxy-cytidine-5'-thiophosphorate	0.783
138	US1	2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate)	0.783
139	XC	[(2~{R},3~{R},5~{R})-5-(6-azanyl-2-oxidanylidene-4,5-dihydropyrimidin-3-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.783
140	5UD	5-fluorouridine	0.773
141	44P	5'-O-[(S)-hydroxy(phosphonomethyl)phosphoryl]uridine	0.769
142	O7M	6-(methoxycarbonyl)uridine 5'-(dihydrogen phosphate)	0.769
143	UDP	Uridine-5'-diphosphate	0.769
144	D3Z	1-(5-deoxy-beta-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.762
145	U4P	5'-deoxyuridine	0.762
146	1TL	1-{2,5-anhydro-6-deoxy-4-[(phosphonooxy)methyl]-alpha-L-mannofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.760
147	2MU	2',5-dimethyluridine-5'-monophosphate	0.760
148	2ST	5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate)	0.760
149	5HM	5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.760
150	A1BBC	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-5-(hydroxymethyl)pyrimidine-2,4(1h,3h)-dione	0.760
151	A1IC1	[(2~{R},3~{R},4~{R},5~{R})-4-methoxy-5-[3-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphite	0.760
152	ATL	[(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
153	BVP	(E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate	0.760
154	C36	5-methyl-5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.760
155	C49	4-thio,5-fluoro,5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.760
156	CTG	(5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate	0.760
157	E3C	3-ethyl, cytidine-5'-monophosphate	0.760
158	EIX	[(2r,3s,5s)-5-[(4r,5r)-6-azanyl-5-fluoranyl-5-methyl-2-oxidanylidene-4-sulfanyl-4h-pyrimidin-3-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.760
159	HEU	3-(2-hydroxyethyl)-2'-deoxyuridine-5'-monophosphate	0.760
160	HHU	[(2r,3s,4r,5r)-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-4-formamido-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.760
161	LV2	[(2~{R},3~{S},4~{R},5~{R})-5-[4-(dimethylamino)-2-oxidanylidene-pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.760
162	MDU	3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate)	0.760
163	MMX	3-ethyl-3,4,5,6-tetrahydrocytidine 5'-(dihydrogen phosphate)	0.760
164	NDN	2'-deoxy-5-nitrouridine 5'-(dihydrogen phosphate)	0.760
165	NDU	2'-deoxy-5-nitrouridine 5'-monophosphate	0.760
166	PDU	5(1-propynyl)-2'-deoxyuridine-5-monophosphate	0.760
167	RCE	1-{2,5-anhydro-6-deoxy-4-[(phosphonooxy)methyl]-beta-D-gulofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.760
168	RSQ	5-formylcytidine 5'-(dihydrogen phosphate)	0.760
169	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.760
170	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.760
171	TLB	2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate	0.760
172	TLN	[(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
173	TTM	N3-ethyl-thymidine-5'-monophosphate	0.760
174	UFB	2'-f,4'-beta-ome uridine 5'-(dihydrogen phosphate)	0.760
175	ULF	[(1r,3r,4r,5r,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-5-fluoro-7-hydroxy-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
176	UMO	2'-f-4'-ome U	0.760
177	UMX	[(1r,3r,4r,5s,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-7-hydroxy-5-methyl-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
178	URX	[(1r,3r,4r,5r,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-7-hydroxy-5-methyl-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
179	UVX	[(1r,3r,4r,7s)-3-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-7-hydroxy-5-methylidene-2-oxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.760
180	UWJ	5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.760
181	UZR	2'-deoxy-2'-triaza-1,2-dien-2-ium-1-yl-uridine-5'-monophosphate	0.760
182	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.750
183	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.750
184	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.750
185	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.750
186	73W	5'-O-[(dithiophosphono)]cytidine	0.750
187	7K8	[(2~{R},3~{S},5~{R})-5-[(4~{E})-4-hydroxyimino-2-oxidanylidene-1,3-diazinan-1-yl]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.750
188	A1AAZ	2-thio-thymidine	0.750
189	A5M	2'-amine-cytidine-5'-monophosphate	0.750
190	C34	N4-methyl-2'-deoxy-cytidine-5'-monophosphate	0.750
191	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.750
192	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.750
193	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.750
194	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.750
195	FDM	3'-fluoro-3'-deoxythymidine monophosphate	0.750
196	IKS	[(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)selenolan-2-yl]methyl dihydrogen phosphate	0.750
197	IMC	N1-[2-deoxy-ribofuranosyl]-[2-amino-5-methyl-4-oxo-4h-pyrimidine]-5'-monophosphate	0.750
198	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.750
199	NOH	2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate)	0.750
200	NYM	3'-deoxy-3'-aminothymidine monophosphate	0.750
201	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.750
202	OKN	5'-methyl-2'-deoxycytidine-5'-phosphorothioate	0.750
203	RSP	4-amino-1-(5-O-phosphono-beta-D-ribofuranosyl)pyrimidine-2(1h)-thione	0.750
204	S4C	4'-thio-4'-deoxy-cytosine-5'-monophosphate	0.750
205	T2S	Thymidine-5'-dithiophosphorate	0.750
206	T49	S4'-2'deoxythymidine 5'-monophosphate	0.750
207	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.750
208	THS	Thymidine-5'-(dithio)phosphate	0.750
209	TSP	3'-thio-thymidine-5'-phosphate	0.750
210	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.750
211	US3	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-2-selanylpyrimidin-4(1h)-one	0.750
212	5GS	2'-C-methyluridine 5'-(trihydrogen diphosphate)	0.741
213	75B	5-selenophen-2-yluridine 5'-(dihydrogen phosphate)	0.741
214	CM0	5-(carboxymethoxy) uridine-5'-monophosphate	0.741
215	O7E	6-(ethoxycarbonyl)uridine 5'-(dihydrogen phosphate)	0.741
216	CDW	(4r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1,3-diazabicyclo[2.2.0]hex-5-en-2-one	0.739
217	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.739
218	08Q	5'-O-{(S)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}thymidine	0.731
219	4AC	N(4)-acetylcytidine-5'-monophosphate	0.731
220	AWC	2'-deoxy-5'-O-[(R)-hydroxy(oxo)-lambda~5~-phosphanyl]-5-selenophen-2-yluridine	0.731
221	DUD	Deoxyuridine-5'-diphosphate	0.731
222	DUN	2'-deoxyuridine 5'-alpha,beta-imido-diphosphate	0.731
223	HHX	[(2r,3s,4r,5r)-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-4-[methanoyl(methyl)amino]-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.731
224	I4U	4-isopropyl, uridine-5'-monophosphate	0.731
225	N5M	5-nitrocytidine 5'-(dihydrogen phosphate)	0.731
226	P4U	4-propyl, uridine-5'-monophosphate	0.731
227	TLC	2-O,3-ethdiyl-arabinofuranosyl-thymine-5'-monophosphate	0.731
228	TX2	5'-O-{(R)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}thymidine	0.731
229	U8U	5-methylaminomethyl-2-thiouridine-5'-monophosphate	0.731
230	UC5	2'-deoxy-5'-O-[(S)-hydroxy(phosphonomethyl)phosphoryl]uridine	0.731
231	UOA	[(2r,3s,4r,5r)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-3-hydroxy-2,4-dimethoxytetrahydrofuran-2-yl]methyl dihydrogen phosphate (non-preferred name)	0.731
232	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.731
233	ZDU	5-(3-aminopropyl)-2'-deoxyuridine-5'-monophosphate	0.731
234	TYU	Tetrahydrouridine	0.727
235	URI	Uridine	0.727
236	ZEB	4-hydroxy-3,4-dihydro-zebularine	0.727
237	0KZ	[(1r,2s,4s,5s)-2-hydroxy-4-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)bicyclo[3.1.0]hex-1-yl]methyl dihydrogen phosphate	0.720
238	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.720
239	5DB	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one	0.720
240	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.720
241	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.720
242	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.720
243	6HT	1',5'-anhydro-2',3'-dideoxy-2'-(thymin-1-yl)-6'-O-phosphoryl-D-arabino-hexitol	0.720
244	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.720
245	A6C	2-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,5-anhydro-2-deoxy-6-O-phosphono-D-altritol	0.720
246	C45	N4-methoxy-2'-deoxy-cytidine-5'-monophosphate	0.720
247	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.720
248	D00	2'-deoxy-N-ethylcytidine 5'-(dihydrogen phosphate)	0.720
249	EDC	N3,n4-etheno-2'-deoxycytidine-5'-monophosphate	0.720
250	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.720
251	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.720
252	OMC	O2'-methylycytidine-5'-monophosphate	0.720
253	T32	6'-alpha-methyl carbocyclic thymidine 5'-monophosphate	0.720
254	T48	6'-alpha-hydroxy carbocyclic thymidine 5'-monophosphate	0.720
255	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.720
256	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.720
257	XTH	1-(2,3-dideoxy-6-O-phosphono-beta-D-erythro-hexopyranosyl)-5-methylpyrimidine-2,4(1h,3h)-dione	0.720
258	XTL	[(1s,4r,6r)-6-hydroxy-4-(thymin-9-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.720
259	XTR	[(1r,4s,6s)-6-hydroxy-4-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)cyclohex-2-en-1-yl]methyl dihydrogen phosphate	0.720
260	A1L3P	5-carboxymethylaminomethyluridine	0.714
261	DDU	2'-5'dideoxyuridine	0.714
262	43X	[(2r,5s)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl dihydrogen phosphate	0.708
263	5NC	5-aza-cytidine-5'monophosphate	0.708
264	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.708
265	A1EIV	[(2~{R},3~{S},4~{R},5~{R})-3,4-bis(oxidanyl)-5-(3-sulfanylpyridin-1-yl)oxolan-2-yl]methyl dihydrogen phosphate	0.708
266	C2S	Cytidine-5'-dithiophosphorate	0.708
267	C42	3'-amino-2'-deoxy-cytidine-5'-monophosphate	0.708
268	C4S	2'-deoxy-4'-thiocytidine 5'-(dihydrogen phosphate)	0.708
269	TA3	(4s,5r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-1,3-diazabicyclo[2.2.0]hexan-2-one	0.708
270	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.704
271	2AT	2'-O-allyl thymidine-5'-monophosphate	0.704
272	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.704
273	6FU	2'-trifluoromethylthio-2'-deoxyuridine	0.704
274	8GM	[(2r,3s,4r,5r)-5-[2-azanyl-6,8-bis(oxidanylidene)-1,7-dihydropurin-9-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methyl dihydrogen phosphate	0.704
275	9QV	Uridine 2',5'-bis(dihydrogen phosphate)	0.704
276	A1CVS	1-{5-O-[(R)-hydroxy(phosphonomethyl)phosphoryl]-beta-D-ribofuranosyl}-2-sulfanylidene-2,3-dihydropyrimidin-4(1h)-one	0.704
277	CDF	4-amino-1-{5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-alpha-D-arabinofuranosyl}pyrimidin-2(1h)-one	0.704
278	CDP	Cytidine-5'-diphosphate	0.704
279	CSM	1-{2,5-anhydro-6-O-methyl-4-[(phosphonooxy)methyl]-alpha-L-mannofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.704
280	NTT	[(1r,5r,7r,8s)-8-hydroxy-3-methyl-7-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,6-dioxa-3-azabicyclo[3.2.1]oct-5-yl]methyl dihydrogen phosphate	0.704
281	P2T	2'-O-propyl thymidine-5-monophosphate	0.704
282	QCE	N3-(N-(1-amino-4-methyl-1-oxopentan-2-yl)-2-amino-2-oxo-ethyl)-2'-deoxythymidine	0.704
283	TYD	Thymidine-5'-diphosphate	0.704
284	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.704
285	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	0.704
286	UBD	Uridine 3',5'-bis(dihydrogen phosphate)	0.704
287	VQV	1-(3,5-di-O-phosphono-alpha-L-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704