1	CCC	Cytidine-5'-phosphate-2',3'-cyclic phosphate	1.000
2	U23	Uridine-5'-monophosphate-2',3'-cyclic phosphate	0.920
3	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.792
4	A23	Adenosine-5'-phosphate-2',3'-cyclic phosphate	0.786
5	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.769
6	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.760
7	C42	3'-amino-2'-deoxy-cytidine-5'-monophosphate	0.760
8	DC	2'-deoxycytidine-5'-monophosphate	0.760
9	DCM	2'-deoxycytidine-5'-monophosphate	0.760
10	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.760
11	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.760
12	O2C	3'-deoxy-cytidine-5'-monophosphate	0.760
13	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
14	23G	Guanosine-5'-phosphate-2',3'-cyclic phosphate	0.759
15	LCC	[(1r,3r,4r,7s)-7-hydroxy-3-(5-methylcytosin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.741
16	0C	L-cytidine-5'-monophosphate	0.731
17	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.731
18	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.731
19	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.731
20	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.731
21	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.731
22	A5M	2'-amine-cytidine-5'-monophosphate	0.731
23	C	Cytidine-5'-monophosphate	0.731
24	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.731
25	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.731
26	C5P	Cytidine-5'-monophosphate	0.731
27	CAR	Cytosine arabinose-5'-phosphate	0.731
28	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.731
29	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.731
30	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.731
31	CH	N3-protonated cytidine-5'-monophosphate	0.731
32	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.731
33	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
34	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.731
35	RY	5'-3,6-dihydrocytidylic acid	0.731
36	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.731
37	42E	[(2r,5s)-5-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl dihydrogen phosphate	0.720
38	UBB	2',3'-dideoxy-uridine-5'-monophosphate	0.720
39	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.720
40	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.704
41	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.704
42	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.704
43	5IC	5-iodo-cytidine-5'-monophosphate	0.704
44	5MC	5-methylcytidine-5'-monophosphate	0.704
45	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.704
46	B8Q	3-methyl, cytidine-5'-monophosphate	0.704
47	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.704
48	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.704
49	JMH	3-methylcytidine- 5'-monophosphate	0.704
50	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.704
51	OMC	O2'-methylycytidine-5'-monophosphate	0.704
52	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.704
53	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.704
54	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.704