1	CDC	[2-cytidylate-O'-phosphonyloxyl]-ethyl-trimethyl-ammonium	1.000
2	OJU	2-[[[5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]oxyethyl-[3-(2-chloranylethanoylamino)propyl]-dimethyl-azanium	0.816
3	C2G	[cytidine-5'-phosphate] glycerylphosphoric acid ester	0.794
4	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	0.788
5	CDF	4-amino-1-{5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-alpha-D-arabinofuranosyl}pyrimidin-2(1h)-one	0.750
6	CDP	Cytidine-5'-diphosphate	0.750
7	CDM	4-diphosphocytidyl-2-C-methyl-D-erythritol	0.730
8	LTP	4-amino-1-{2-deoxy-5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-beta-L-erythro-pentofuranosyl}pyrimidin-2(1h)-one	0.719
9	YYY	Deoxycytidine diphosphate	0.719
10	CTP	Cytidine-5'-triphosphate	0.714
11	HF4	4-amino-1-{5-O-[(S)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-arabinofuranosyl}pyrimidin-2(1h)-one	0.714
12	OIG	Beta-ethyl-adenosine diphosphate	0.714
13	UFQ	Cytosine 5'-[gamma-thio]triphosphate	0.714
14	V2V	Cdp-ribitol	0.711
15	Y9Z	5'-O-[(S)-{[(S)-[2-(acetylamino)ethoxy](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine	0.711
16	0RC	5'-O-[(S)-{[(R)-(2-aminoethyl)(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine	0.706
17	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	0.706
18	UDH	6-aminohexyl-uridine-c1,5'-diphosphate	0.703