1	U36	2'-O-methyoxyethyl-uridine-5'-monophosphate	1.000
2	T39	2'-O-methoxyethylene thymidine 5'-monophosphate	0.962
3	C43	2'-O-methyoxyethyl-cytidine-5'-monophosphate	0.923
4	127	2'-O-aminooxy-ethyl-5-methyl-uridine-5'-monophosphate	0.889
5	C5L	2'-O-(2-methoxyethyl)-5-methylcytidine 5'-(dihydrogen phosphate)	0.889
6	S2M	2'-O-[2-(methoxy)ethyl]-2-thiothymidine-5'-monophosphate	0.889
7	OMU	O2'-methyluridine 5'-monophosphate	0.880
8	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.880
9	125	2'-O-fluoroethyl-5-methyl-uridine-5'-monophosphate	0.852
10	2AT	2'-O-allyl thymidine-5'-monophosphate	0.852
11	2GT	2'-O-propargyl thymidine-5'-monophosphate	0.852
12	P2T	2'-O-propyl thymidine-5-monophosphate	0.852
13	U31	2'-O-3-aminopropyl 2'-deoxyuridine-5'-monophosphate	0.852
14	2MU	2',5-dimethyluridine-5'-monophosphate	0.846
15	T41	1-(2-O-methyl-beta-D-arabinofuranosyl)thymidine 5'-monophosphate	0.846
16	3ME	2'-O-{2-[2-(dimethylamino)ethoxy]ethyl}-5-methyluridine 5'-(dihydrogen phosphate)	0.833
17	2NT	2'-O-[2-[hydroxy(methyleneamino)oxy]ethyl thymidine-5'-monophosphate	0.828
18	2OT	2'-O-[2-(N,N-dimethylaminooxy)ethyl] thymidine-5'-monophosphate	0.828
19	2BT	2'-O-butyl-thymidine	0.821
20	N7X	5'-O-[(R)-hydroxy(sulfanylidene)-lambda~5~-phosphanyl]-2'-O-(2-methoxyethyl)-5-methylcytidine	0.821
21	SMT	2'-[(methylthio)ethyloxy]-thymidine-5'-monophosphate	0.821
22	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)	0.815
23	UOB	2'-ome,4'beta-ome uridine 5'-(dihydrogen phosphate)	0.815
24	OKT	2'-O-methyluridine-5'-phosphorothioate	0.808
25	OMC	O2'-methylycytidine-5'-monophosphate	0.808
26	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.808
27	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.800
28	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.800
29	DU	2'-deoxyuridine-5'-monophosphate	0.800
30	UMC	2'-deoxy-5'-uridylic acid	0.800
31	UMP	2'-deoxyuridine 5'-monophosphate	0.800
32	NMS	1-(o2-(2-methylamino-2-oxo-ethyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.793
33	TFE	2'-O-[2-(trifluoro)ethyl] thymidine-5'-monophosphate	0.793
34	C31	2'-O-3-aminopropyl cytidine-5'-monophosphate	0.786
35	126	2'-O-methyl-[tri(oxyethyl)]-5-methyl-uridine-5'-monophosphate	0.781
36	BOE	2'-O-[2-(benzyloxy)ethyl] thymidine-5'-monophosphate	0.781
37	4OC	4n,o2'-methylcytidine-5'-monophosphate	0.778
38	JMC	[(2~{R},3~{R},4~{R},5~{R})-5-(4-azanyl-3-methyl-2-oxidanylidene-4~{H}-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.778
39	T23	2'-O-methyl-3'-methyl-3'-deoxy-arabinofuranosyl-thymine-5'-phosphate	0.778
40	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.769
41	0U	L-uridine-5'-monophosphate	0.769
42	2AU	2'-aminouridine	0.769
43	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.769
44	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.769
45	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.769
46	DT	Thymidine-5'-monophosphate	0.769
47	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	0.769
48	H2U	5,6-dihydrouridine-5'-monophosphate	0.769
49	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.769
50	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.769
51	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.769
52	TMP	Thymidine-5'-phosphate	0.769
53	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.769
54	U	Uridine-5'-monophosphate	0.769
55	U5P	Uridine-5'-monophosphate	0.769
56	UAR	Uracil arabinose-5'-phosphate	0.769
57	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.769
58	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.769
59	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.769
60	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.769
61	G48	2'-O-methyoxyethyl-guanosine-5'-monophosphate	0.767
62	GMU	2'-O-[(2-guanidinium)ethyl]-5-methyluridine 5'-monophosphate	0.767
63	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.760
64	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.760
65	NMT	1-(o2-(methylcarbamoyl)-o5-hydroxyphosphinyl-beta-D-ribofuranosyl)thymine	0.759
66	T38	2'-O-ethoxymethylene thymidine 5'-monophosphate	0.759
67	EIT	((3r,4r,5r)-4-(2-(1h-imidazol-1-yl)ethoxy)-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-tetrahydrofuran-2-yl)methyl dihydrogen phosphate	0.742
68	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.741
69	5BU	5-bromo-uridine-5'-monophosphate	0.741
70	5FU	5-fluoro-uridine-5'-monophosphate	0.741
71	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.741
72	5MU	5-methyluridine 5'-monophosphate	0.741
73	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.741
74	64T	5-hydroxy-thymidine-5'-monophosphate	0.741
75	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.741
76	BMP	6-hydroxyuridine-5'-phosphate	0.741
77	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.741
78	IU	5-iodouridine-5'-monophosphate	0.741
79	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.741
80	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.741
81	NUP	6-aminouridine 5'-monophosphate	0.741
82	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.741
83	S5P	6-sulfanyluridine-5'-phosphate	0.741
84	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.741
85	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.741
86	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.741
87	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.741
88	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.741
89	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.741
90	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.741
91	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.741
92	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.741
93	UR3	3-methyluridine-5'-monophoshate	0.741
94	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.741
95	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.741
96	A44	2'-O-methyoxyethyl-adenosine 5'-monophosphate	0.733
97	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.731
98	2DT	3'-deoxythymidine-5'-monophosphate	0.731
99	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.731
100	D4M	[(5r)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-2,5-dihydrofuran-2-yl]methyl dihydrogen phosphate	0.731
101	DC	2'-deoxycytidine-5'-monophosphate	0.731
102	DCM	2'-deoxycytidine-5'-monophosphate	0.731
103	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.731
104	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.731
105	L2B	3'-deoxyuridine-5'-monophosphate	0.731
106	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.731
107	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.731
108	US1	2'-deoxy-3'-thiouridine 5'-(dihydrogen phosphate)	0.731
109	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	0.731
110	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.731
111	9QV	Uridine 2',5'-bis(dihydrogen phosphate)	0.724
112	B9H	2'-methyl, 3-propyl, cytidine-5'-monophosphate	0.724
113	LHH	[(2~{R},3~{R},4~{R},5~{R})-5-(4-acetamido-2-oxidanylidene-pyrimidin-1-yl)-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.724
114	1TL	1-{2,5-anhydro-6-deoxy-4-[(phosphonooxy)methyl]-alpha-L-mannofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.714
115	2ST	5-methyl-2'-se-methyl-2'-selenouridine 5'-(dihydrogen phosphate)	0.714
116	6CN	6-cyanouridine 5'-phosphate	0.714
117	ATL	[(1s,3r,4s,7r)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.714
118	BVP	(E)-5-(2-bromovinyl)-2'-deoxyuridine-5'-monophosphate	0.714
119	CNU	5-cyano-uridine-5'-monophosphate	0.714
120	CTG	(5r,6s)-5,6-dihydro-5,6-dihydroxythymidine-5'-monophosphate	0.714
121	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.714
122	FNU	6-amino-5-fluorouridine 5'-(dihydrogen phosphate)	0.714
123	HEU	3-(2-hydroxyethyl)-2'-deoxyuridine-5'-monophosphate	0.714
124	JW5	6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.714
125	MDU	3-(hydroxymethyl)thymidine 5'-(dihydrogen phosphate)	0.714
126	NDN	2'-deoxy-5-nitrouridine 5'-(dihydrogen phosphate)	0.714
127	NDU	2'-deoxy-5-nitrouridine 5'-monophosphate	0.714
128	PDU	5(1-propynyl)-2'-deoxyuridine-5-monophosphate	0.714
129	RCE	1-{2,5-anhydro-6-deoxy-4-[(phosphonooxy)methyl]-beta-D-gulofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.714
130	TDY	5-(methylamino)thymidine 5'-(dihydrogen phosphate)	0.714
131	TLB	2'-O,3'-C-methylene-arabinofuranosyl-thymine-5'-monophosphate	0.714
132	TLN	[(1r,3r,4r,7s)-7-hydroxy-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.714
133	TTM	N3-ethyl-thymidine-5'-monophosphate	0.714
134	U1P	6-[(E)-iminomethyl]uridine 5'-phosphate	0.714
135	UEP	6-ethyluridine 5'-phosphate	0.714
136	UFB	2'-f,4'-beta-ome uridine 5'-(dihydrogen phosphate)	0.714
137	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	0.714
138	UMO	2'-f-4'-ome U	0.714
139	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	0.714
140	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	0.714
141	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	0.714
142	UWJ	5-methyl-1-(2-se-methyl-5-O-phosphono-2-seleno-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.714
143	UZR	2'-deoxy-2'-triaza-1,2-dien-2-ium-1-yl-uridine-5'-monophosphate	0.714
144	K39	2'-methoxyethyl-guanosine-5'-thiophosphate	0.710
145	0C	L-cytidine-5'-monophosphate	0.704
146	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.704
147	3DU	4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one	0.704
148	4SU	4-thiouridine-5'-monophosphate	0.704
149	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.704
150	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.704
151	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.704
152	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.704
153	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	0.704
154	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.704
155	A5M	2'-amine-cytidine-5'-monophosphate	0.704
156	C	Cytidine-5'-monophosphate	0.704
157	C34	N4-methyl-2'-deoxy-cytidine-5'-monophosphate	0.704
158	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.704
159	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.704
160	C5P	Cytidine-5'-monophosphate	0.704
161	CAR	Cytosine arabinose-5'-phosphate	0.704
162	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.704
163	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.704
164	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.704
165	CH	N3-protonated cytidine-5'-monophosphate	0.704
166	F2T	2'-deoxy-2'-fluoro-5'-O-thiophosphonouridine	0.704
167	FDM	3'-fluoro-3'-deoxythymidine monophosphate	0.704
168	IC	Isocytidine-5'-monophosphate	0.704
169	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	0.704
170	IMC	N1-[2-deoxy-ribofuranosyl]-[2-amino-5-methyl-4-oxo-4h-pyrimidine]-5'-monophosphate	0.704
171	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.704
172	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.704
173	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.704
174	NOH	2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate)	0.704
175	NYM	3'-deoxy-3'-aminothymidine monophosphate	0.704
176	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.704
177	PST	Thymidine-5'-thiophosphate	0.704
178	RUS	1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one	0.704
179	RY	5'-3,6-dihydrocytidylic acid	0.704
180	SSU	Uridine-5'-phosphorothioate	0.704
181	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.704
182	T49	S4'-2'deoxythymidine 5'-monophosphate	0.704
183	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.704
184	TSP	3'-thio-thymidine-5'-phosphate	0.704
185	U37	Uridine 5'-monothiophosphate	0.704
186	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.704
187	UD5	5-fluorouridine	0.704
188	UP6	6-aza uridine 5'-monophosphate	0.704
189	US3	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methyl-2-selanylpyrimidin-4(1h)-one	0.704
190	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.704