1	CX2	2'-deoxy-5'-O-{(R)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}cytidine	1.000
2	08Q	5'-O-{(S)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}thymidine	0.880
3	TX2	5'-O-{(R)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}thymidine	0.880
4	0DC	2'-deoxy-L-ribo-furanosyl cytosine-5'-monophosphate	0.792
5	C7R	2'-deoxy-5'-O-thiophosphonocytidine	0.792
6	C7S	2'-deoxy-5'-O-thiophosphonocytidine	0.792
7	CMR	2'-deoxy-cytidine-5'-rp-monomethylphosphonate	0.792
8	DC	2'-deoxycytidine-5'-monophosphate	0.792
9	DCM	2'-deoxycytidine-5'-monophosphate	0.792
10	DNR	2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.792
11	IY9	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-furan-2-yl]methyl dihydrogen phosphate	0.792
12	SC	2-deoxy-cytidine-5'-thiophosphorate	0.792
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	0.792
14	0C	L-cytidine-5'-monophosphate	0.760
15	1SC	5'-O-thiophosphonocytidine	0.760
16	2GF	[(2r,5r)-5-(4-amino-5-chloro-2-oxopyrimidin-1(2h)-yl)-3-oxotetrahydrofuran-2-yl]methyl dihydrogen phosphate	0.760
17	4U3	5-chloro-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.760
18	5CM	5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.760
19	5OC	2'-deoxy-5-hydroxycytidine 5'-(dihydrogen phosphate)	0.760
20	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.760
21	A5M	2'-amine-cytidine-5'-monophosphate	0.760
22	C	Cytidine-5'-monophosphate	0.760
23	C37	5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.760
24	C38	5-iodo-2'-deoxy-cytidine-5'-monophosphate	0.760
25	C5P	Cytidine-5'-monophosphate	0.760
26	CAR	Cytosine arabinose-5'-phosphate	0.760
27	CBR	5-bromo-2'-deoxy-cytidine-5'-monophosphate	0.760
28	CFL	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)pyrimidin-2(1h)-one	0.760
29	CFZ	2'-deoxy-2'-fluorocytidine 5'-(dihydrogen phosphate)	0.760
30	CH	N3-protonated cytidine-5'-monophosphate	0.760
31	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.760
32	ME6	[(2r,3s,5r)-5-(4-azanyl-3-methyl-2-oxo-pyrimidin-3-ium-1-yl)-3-hydroxy-oxolan-2-yl]methyl dihydrogen phosphate	0.760
33	OFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.760
34	OKN	5'-methyl-2'-deoxycytidine-5'-phosphorothioate	0.760
35	RY	5'-3,6-dihydrocytidylic acid	0.760
36	U48	5-methyl-2'-deoxy-n3-protonated cytidine-5'-monophosphate	0.760
37	DOC	2',3'-dideoxycytidine-5'-monophosphate	0.750
38	GX1	2'-deoxy-5'-O-{(S)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}guanosine	0.750
39	Z	1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)pyrimidin-2(1h)-one	0.750
40	10C	4-amino-1-{2,5-anhydro-4-[(phosphonooxy)methyl]-alpha-L-lyxofuranosyl}pyrimidin-2(1h)-one	0.731
41	5CF	5-fluorocytidine 5'-(dihydrogen phosphate)	0.731
42	5FC	5-formyl-2'-deoxy-cytidine-5'-monophosphate	0.731
43	5HC	2'-deoxy-5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.731
44	5IC	5-iodo-cytidine-5'-monophosphate	0.731
45	5MC	5-methylcytidine-5'-monophosphate	0.731
46	5SE	2'-deoxy-5-(methylselanyl)cytidine 5'-(dihydrogen phosphate)	0.731
47	6OO	2'-O-methyl-5'-O-thiophosphonocytidine	0.731
48	B8Q	3-methyl, cytidine-5'-monophosphate	0.731
49	CBV	5-bromocytidine 5'-(dihydrogen phosphate)	0.731
50	CSL	(D)-2'-methylselenyl-2'-deoxycytidine-5'-phosphate	0.731
51	JMH	3-methylcytidine- 5'-monophosphate	0.731
52	MDQ	2'-deoxy-3-(oxidomethyl)cytidine 5'-(dihydrogen phosphate)	0.731
53	OKQ	2'-O-methylcytidine-5'-phosphorothioate	0.731
54	OMC	O2'-methylycytidine-5'-monophosphate	0.731
55	TKW	5-hydroxycytidine 5'-(dihydrogen phosphate)	0.731
56	U7B	2'-deoxy-2'2'-difluorodeoxycytidine	0.731
57	XE6	4-amino-1-(2-O-methyl-5-O-phosphono-beta-L-ribofuranosyl)pyrimidin-2(1h)-one	0.731
58	OGX	2'-deoxy-5'-O-{(S)-hydroxy[(2-sulfanylethyl)amino]phosphoryl}-8-oxoguanosine	0.724
59	3KA	1-(2-deoxy-5-O-phosphono-beta-L-erythro-pentofuranosyl)pyrimidine-2,4(1h,3h)-dione	0.720
60	5NC	5-aza-cytidine-5'monophosphate	0.720
61	5PY	1-(2'-deoxy-5'-O-phosphono-beta-D-erythro-pentofuranosyl)-5-methylpyrimidin-2(1h)-one	0.720
62	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	0.720
63	9L3	[(2r,3s,5r)-5-(4-azanyl-5-methyl-pyrimidin-1-ium-1-yl)-3-oxidanyl-oxolan-2-yl]methyl dihydrogen phosphate	0.720
64	C2S	Cytidine-5'-dithiophosphorate	0.720
65	C42	3'-amino-2'-deoxy-cytidine-5'-monophosphate	0.720
66	C4S	2'-deoxy-4'-thiocytidine 5'-(dihydrogen phosphate)	0.720
67	DDN	3,4-dihydro-2'-deoxyuridine-5'-monophosphate	0.720
68	DU	2'-deoxyuridine-5'-monophosphate	0.720
69	O2C	3'-deoxy-cytidine-5'-monophosphate	0.720
70	PYO	1-(beta-D-ribofuranosyl)-pyrimidin-2-one-5'-phosphate	0.720
71	UMC	2'-deoxy-5'-uridylic acid	0.720
72	UMP	2'-deoxyuridine 5'-monophosphate	0.720
73	UPS	2'-deoxy-5'-O-thiophosphonouridine	0.720
74	XY7	1-[2-deoxy-5-O-(dihydroxyphosphanyl)-2-fluoro-beta-L-ribofuranosyl]pyrimidine-2,4(1h,3h)-dione	0.720
75	1CC	5-carboxy-2'-deoxycytidine monophosphate	0.704
76	5HM	5-(hydroxymethyl)cytidine 5'-(dihydrogen phosphate)	0.704
77	5PC	5(1-propynyl)-2'-deoxycytidine-5'-monophosphate	0.704
78	C36	5-methyl-5-fluoro-2'-deoxy-cytidine-5'-monophosphate	0.704
79	C49	4-thio,5-fluoro,5-methyl-2'-deoxy-cytidine-5'-monophosphate	0.704
80	E3C	3-ethyl, cytidine-5'-monophosphate	0.704
81	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	0.704
82	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	0.704
83	KEA	2'-azido-2'-deoxycytidine 5'-(dihydrogen phosphate)	0.704
84	LCC	[(1r,3r,4r,7s)-7-hydroxy-3-(5-methylcytosin-1-yl)-2,5-dioxabicyclo[2.2.1]hept-1-yl]methyl dihydrogen phosphate	0.704
85	MMX	3-ethyl-3,4,5,6-tetrahydrocytidine 5'-(dihydrogen phosphate)	0.704
86	RSQ	5-formylcytidine 5'-(dihydrogen phosphate)	0.704
87	XFC	4-amino-1-(2-deoxy-2-fluoro-5-O-phosphono-beta-D-arabinofuranosyl)-2-oxo-1,2-dihydropyrimidine-5-carbaldehyde	0.704