1	7XL	[[(2r,3s,4r,5r)-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-(2-hydroxyethyl)phosphinic acid	1.000
2	0RC	5'-O-[(S)-{[(R)-(2-aminoethyl)(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine	0.929
3	CDF	4-amino-1-{5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-alpha-D-arabinofuranosyl}pyrimidin-2(1h)-one	0.857
4	CDP	Cytidine-5'-diphosphate	0.857
5	LTP	4-amino-1-{2-deoxy-5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-beta-L-erythro-pentofuranosyl}pyrimidin-2(1h)-one	0.821
6	YYY	Deoxycytidine diphosphate	0.821
7	A1A3L	4-amino-1-{(3xi)-3-C-amino-2-deoxy-5-O-[(S)-hydroxy(phosphonooxy)phosphoryl]-beta-D-threo-pentofuranosyl}pyrimidin-2(1h)-one	0.793
8	UDP	Uridine-5'-diphosphate	0.793
9	DDY	2',3'-dideoxycytosine-5'-diphosphate	0.786
10	SFV	[[[(2~{R},3~{S},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]methylphosphonic acid	0.774
11	5GS	2'-C-methyluridine 5'-(trihydrogen diphosphate)	0.767
12	GCQ	Gemcitabine diphosphate	0.767
13	DUD	Deoxyuridine-5'-diphosphate	0.759
14	CTP	Cytidine-5'-triphosphate	0.750
15	DJJ	5'-O-[(R)-{[(R)-[(S)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxycytidine	0.750
16	F3C	2'-deoxy-5'-O-[(R)-{[(R)-[(R)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine	0.750
17	FF4	2'-deoxy-5'-O-[(R)-{[(R)-[(S)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine	0.750
18	FF7	5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxycytidine	0.750
19	HF4	4-amino-1-{5-O-[(S)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-arabinofuranosyl}pyrimidin-2(1h)-one	0.750
20	UFQ	Cytosine 5'-[gamma-thio]triphosphate	0.750
21	M33	5'-O-[(S)-hydroxy{[(S)-hydroxy(methyl)phosphoryl]oxy}phosphoryl]adenosine	0.742
22	TYD	Thymidine-5'-diphosphate	0.733
23	C2G	[cytidine-5'-phosphate] glycerylphosphoric acid ester	0.727
24	FDV	5'-O-[(R)-hydroxy({(R)-hydroxy[(1s)-1-phosphonoethyl]phosphoryl}oxy)phosphoryl]thymidine	0.727
25	FFJ	2'-deoxy-5'-O-[(R)-{[(R)-[difluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine	0.727
26	VC6	4-amino-1-{5-O-[(R)-{[(R)-[(S)-chloro(fluoro)phosphonomethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2-deoxy-alpha-L-threo-pentofuranosyl}pyrimidin-2(1h)-one	0.727
27	VC8	4-amino-1-{2-deoxy-5-O-[(R)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-alpha-L-threo-pentofuranosyl}pyrimidin-2(1h)-one	0.727
28	VC9	2'-deoxy-5'-O-[(R)-{[(R)-[dibromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine	0.727
29	0G8	[(2r,5s)-5-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl trihydrogen diphosphate	0.724
30	1S0	4-amino-1-{2-deoxy-5-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-L-erythro-pentofuranosyl}pyrimidin-2(1h)-one	0.719
31	8CP	2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonoamino)phosphoryl]oxy}phosphoryl]cytidine	0.719
32	8OD	[(2r,3s,4r,5r)-5-(6-azanyl-8-oxo-7h-purin-9-yl)-3,4-dihydroxy-oxolan-2-yl]methyl phosphono hydrogen phosphate	0.719
33	94T	[[(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] propyl hydrogen phosphate	0.719
34	CH1	3'-deoxy-cytidine-5'-triphosphate	0.719
35	DCP	2'-deoxycytidine-5'-triphosphate	0.719
36	0C	L-cytidine-5'-monophosphate	0.714
37	1SC	5'-O-thiophosphonocytidine	0.714
38	8XC	4-amino-1-(5-O-phosphono-beta-D-xylofuranosyl)pyrimidin-2(1h)-one	0.714
39	C	Cytidine-5'-monophosphate	0.714
40	C5P	Cytidine-5'-monophosphate	0.714
41	CAR	Cytosine arabinose-5'-phosphate	0.714
42	CH	N3-protonated cytidine-5'-monophosphate	0.714
43	IY0	[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)furan-2-yl]methyl dihydrogen phosphate	0.714
44	RY	5'-3,6-dihydrocytidylic acid	0.714
45	6GS	2'-deoxy-2'-fluoro-2'-methyluridine 5'-(trihydrogen diphosphate)	0.710
46	CDC	[2-cytidylate-O'-phosphonyloxyl]-ethyl-trimethyl-ammonium	0.706
47	D4D	2',3'-dehydro-2',3'-deoxy-thymidine 5'-diphosphate	0.700
48	FTD	[(2r,5s)-5-(4-amino-5-fluoro-2-oxo-3,6-dihydropyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl trihydrogen diphosphate	0.700
49	FUP	2',3'-dideoxy-3'-fluoro-urididine-5'-diphosphate	0.700