1	P4U	4-propyl, uridine-5'-monophosphate	1.000
2	I4U	4-isopropyl, uridine-5'-monophosphate	0.920
3	5EJ	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-ethoxy-5-methylpyrimidin-2(1h)-one	0.880
4	5DB	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methoxy-5-methylpyrimidin-2(1h)-one	0.840
5	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.833
6	0C	L-cytidine-5'-monophosphate	0.800
7	0U	L-uridine-5'-monophosphate	0.800
8	4SU	4-thiouridine-5'-monophosphate	0.800
9	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.800
10	8XU	1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.800
11	C	Cytidine-5'-monophosphate	0.800
12	C5P	Cytidine-5'-monophosphate	0.800
13	CAR	Cytosine arabinose-5'-phosphate	0.800
14	CH	N3-protonated cytidine-5'-monophosphate	0.800
15	H2U	5,6-dihydrouridine-5'-monophosphate	0.800
16	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.800
17	RY	5'-3,6-dihydrocytidylic acid	0.800
18	U	Uridine-5'-monophosphate	0.800
19	U5P	Uridine-5'-monophosphate	0.800
20	UAR	Uracil arabinose-5'-phosphate	0.800
21	US5	1-(5-O-phosphono-beta-D-ribofuranosyl)-4-selanylpyrimidin-2(1h)-one	0.800
22	Y5P	1-(5-O-phosphono-beta-D-ribofuranosyl)-1,4-dihydropyrimidine	0.792
23	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.792
24	16B	N-hydroxycytidine 5'-(dihydrogen phosphate)	0.769
25	5BU	5-bromo-uridine-5'-monophosphate	0.769
26	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.769
27	5FU	5-fluoro-uridine-5'-monophosphate	0.769
28	5IC	5-iodo-cytidine-5'-monophosphate	0.769
29	5MC	5-methylcytidine-5'-monophosphate	0.769
30	5MU	5-methyluridine 5'-monophosphate	0.769
31	7OK	N-hydroxycytidine 5'-(dihydrogen phosphate) tautomer	0.769
32	B8Q	3-methyl, cytidine-5'-monophosphate	0.769
33	B8T	4-methyl, cytidine-5'-monophosphate	0.769
34	BMP	6-hydroxyuridine-5'-phosphate	0.769
35	BMQ	1-(5'-phospho-beta-D-ribofuranosyl)barbituric acid	0.769
36	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.769
37	IU	5-iodouridine-5'-monophosphate	0.769
38	JMH	3-methylcytidine- 5'-monophosphate	0.769
39	NUP	6-aminouridine 5'-monophosphate	0.769
40	S5P	6-sulfanyluridine-5'-phosphate	0.769
41	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.769
42	U6M	6-methyluridine 5'-(dihydrogen phosphate)	0.769
43	UR3	3-methyluridine-5'-monophoshate	0.769
44	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.760
45	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.760
46	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.760
47	DC	2'-deoxycytidine-5'-monophosphate	0.760
48	DCM	2'-deoxycytidine-5'-monophosphate	0.760
49	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.760
50	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.760
51	DU	2'-deoxyuridine-5'-monophosphate	0.760
52	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.760
53	L2B	3'-deoxyuridine-5'-monophosphate	0.760
54	O2C	3'-deoxy-cytidine-5'-monophosphate	0.760
55	UMC	2'-deoxy-5'-uridylic acid	0.760
56	UMP	2'-deoxyuridine 5'-monophosphate	0.760
57	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	0.760
58	B9B	6-propyl, guanosine-5'-monophosphate	0.759
59	5HM	5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.741
60	6CN	6-cyanouridine 5'-phosphate	0.741
61	CNU	5-cyano-uridine-5'-monophosphate	0.741
62	E3C	3-ethyl, cytidine-5'-monophosphate	0.741
63	FMU	5-fluoro-5-methyluridine-5'-monophosphate	0.741
64	FNU	6-amino-5-fluorouridine 5'-(dihydrogen phosphate)	0.741
65	JW5	6-(hydroxymethyl)uridine 5'-(dihydrogen phosphate)	0.741
66	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	0.741
67	MMX	3-ethyl-3,4,5,6-tetrahydrocytidine 5'-(dihydrogen phosphate)	0.741
68	RSQ	5-formylcytidine 5'-(dihydrogen phosphate)	0.741
69	U1P	6-[(E)-iminomethyl]uridine 5'-phosphate	0.741
70	UEP	6-ethyluridine 5'-phosphate	0.741
71	0DT	2'-deoxy-L-ribo-furanosyl thymidine-5'-monophosphate	0.731
72	1SC	5'-O-thiophosphonocytidine	0.731
73	2AU	2'-aminouridine	0.731
74	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.731
75	3DU	4-hydroxy-1-(5-O-phosphono-beta-D-ribofuranosyl)pyridin-2(1h)-one	0.731
76	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.731
77	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.731
78	5IU	5-iodo-2'-deoxyuridine-5'-monophosphate	0.731
79	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.731
80	6F7	3'-deoxy-5-methyluridine 5'-(dihydrogen phosphate)	0.731
81	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	0.731
82	A5M	2'-amine-cytidine-5'-monophosphate	0.731
83	BRU	5-bromo-2'-deoxyuridine-5'-monophosphate	0.731
84	C34	N4-methyl-2'-deoxy-cytidine-5'-monophosphate	0.731
85	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.731
86	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.731
87	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.731
88	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.731
89	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.731
90	DT	Thymidine-5'-monophosphate	0.731
91	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	0.731
92	IC	Isocytidine-5'-monophosphate	0.731
93	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	0.731
94	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	0.731
95	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.731
96	MUM	5'-O-(dihydroxyphosphanyl)-5-methyl-5,6-dihydrouridine	0.731
97	NOH	2'-deoxy-N-hydroxycytidine 5'-(dihydrogen phosphate)	0.731
98	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.731
99	OHU	2'-deoxy-5-hydroxyuridine 5'-(dihydrogen phosphate)	0.731
100	PBT	[3-hydroxy-5-(5-methyl-2,4-dioxotetrahydro-1(2h)-pyrimidinyl)tetrahydro-2-furanyl]methyl dihydrogen phosphate	0.731
101	QBT	[(2r,3s,5r)-3-hydroxy-5-[(5s)-5-methyl-2,4-dioxo-1,3-diazinan-1-yl]oxolan-2-yl]methyl dihydrogen phosphate	0.731
102	RSP	4-amino-1-(5-O-phosphono-beta-D-ribofuranosyl)pyrimidine-2(1h)-thione	0.731
103	RUS	1-(5-O-phosphono-beta-D-ribofuranosyl)-2-selanylpyrimidin-4(1h)-one	0.731
104	S4C	4'-thio-4'-deoxy-cytosine-5'-monophosphate	0.731
105	SSU	Uridine-5'-phosphorothioate	0.731
106	SUR	1-(beta-D-ribofuranosyl)-2-thio-uracil-5'-phosphate	0.731
107	T4S	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-hydroseleno-5-methylpyrimidin-2(1h)-one	0.731
108	TMP	Thymidine-5'-phosphate	0.731
109	TTI	2'-deoxy-5-telluroxouridine 5'-(dihydrogen phosphate)	0.731
110	U37	Uridine 5'-monothiophosphate	0.731
111	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.731
112	UCL	5-chloro-2'-deoxyuridine 5'-(dihydrogen phosphate)	0.731
113	UD5	5-fluorouridine	0.731
114	UF2	1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.731
115	UFP	5-fluoro-2'-deoxyuridine-5'-monophosphate	0.731
116	UFT	2'-deoxy-2'-fluorouridine 5'-(dihydrogen phosphate)	0.731
117	UP6	6-aza uridine 5'-monophosphate	0.731
118	6PO	9-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-6-propoxy-9h-purin-2-amine	0.724
119	E6G	6-ethyl, guanosine-5'-monophosphate	0.724
120	CDW	(4r)-3-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1,3-diazabicyclo[2.2.0]hex-5-en-2-one	0.720
121	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.720
122	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.720
123	2OM	5,6-dihydroorotidine 5'-monophosphate	0.714
124	4AC	N(4)-acetylcytidine-5'-monophosphate	0.714
125	6AU	6-acetyluridine 5'-phosphate	0.714
126	6AZ	6-azidouridine 5'-(dihydrogen phosphate)	0.714
127	MNU	(2r,4s)-1-[(4r)-3,4-dihydroxytetrahydrofuran-2-yl]-5-[(methylamino)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-diol-5'-mon ophosphate	0.714
128	N5M	5-nitrocytidine 5'-(dihydrogen phosphate)	0.714
129	OMP	Orotidine-5'-monophosphate	0.714
130	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	0.714
131	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	0.714
132	0U1	2'-methylselenyl-2'-deoxy-L-uridine-5'-monophosphate	0.704
133	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.704
134	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.704
135	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.704
136	5HU	5-hydroxymethyluridine-2'-deoxy-5'-monophosphate	0.704
137	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.704
138	64P	5-aminothymidine 5'-(dihydrogen phosphate)	0.704
139	64T	5-hydroxy-thymidine-5'-monophosphate	0.704
140	A6C	2-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,5-anhydro-2-deoxy-6-O-phosphono-D-altritol	0.704
141	A6U	1,5-anhydro-2-deoxy-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2h)-yl)-6-O-phosphono-D-altritol	0.704
142	C45	N4-methoxy-2'-deoxy-cytidine-5'-monophosphate	0.704
143	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.704
144	D00	2'-deoxy-N-ethylcytidine 5'-(dihydrogen phosphate)	0.704
145	EDC	N3,n4-etheno-2'-deoxycytidine-5'-monophosphate	0.704
146	JDT	2'-deoxy-5-ethyluridine 5'-(dihydrogen phosphate)	0.704
147	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.704
148	MFT	3-methylthymidine 5'-(dihydrogen phosphate)	0.704
149	OMC	O2'-methylycytidine-5'-monophosphate	0.704
150	OMU	O2'-methyluridine 5'-monophosphate	0.704
151	T5O	2'-deoxy-5-methoxyuridine 5'-(dihydrogen phosphate)	0.704
152	T5S	2'-deoxy-5-(methylselanyl)uridine 5'-phosphate	0.704
153	TAF	2'-deoxy-2'-fluoro-arabino-furanosyl thymine-5'-phosphate	0.704
154	U4M	1-{2,5-dideoxy-2-fluoro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidine-2,4(1h,3h)-dione	0.704
155	U5M	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-alpha-L-talofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
156	U5R	1-(2,6-dideoxy-2-fluoro-5-O-phosphono-beta-D-allofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704
157	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.704
158	UFR	2'-deoxy-5-formyluridine 5'-(dihydrogen phosphate)	0.704
159	UMS	2'-methylselenyl-2'-deoxyuridine-5'-phosphate	0.704
160	US2	2'-deoxy-5-(methylsulfanyl)uridine 5'-(dihydrogen phosphate)	0.704
161	USM	2'-S-methyl-2'-thiouridine 5'-(dihydrogen phosphate)	0.704
162	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.704
163	XEC	1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.704