1	1GC	2'-deoxy-5'-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]guanosine	1.000
2	G2P	Phosphomethylphosphonic acid guanylate ester	0.969
3	F2A	2'-deoxy-5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]adenosine	0.906
4	APC	Diphosphomethylphosphonic acid adenosyl ester	0.879
5	DOU	[(2~{R},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-[[oxidanyl(phosphonooxy)phosphoryl]methyl]phosphinic acid	0.879
6	FHA	2'-deoxy-5'-O-[(S)-{(S)-fluoro[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}(hydroxy)phosphoryl]adenosine	0.879
7	8BU	[(2r,3s,4r,5r)-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-[(S)-fluoranyl-[oxidanyl(phosphonooxy)phosphoryl]methyl]phosphinic acid	0.853
8	F3A	2'-deoxy-5'-O-[(S)-{difluoro[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}(hydroxy)phosphoryl]adenosine	0.853
9	GP2	Phosphomethylphosphonic acid guanosyl ester	0.788
10	UPC	2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]uridine	0.788
11	XC5	2'-deoxy-5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine	0.788
12	2TM	5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]cytidine	0.765
13	A1ACD	1-{2-deoxy-5-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]-beta-D-threo-pentofuranosyl}-5-methylpyrimidine-2,4(1h,3h)-dione	0.765
14	WSB	5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}phosphoryl]uridine	0.765
15	6CF	2'-deoxy-5'-O-[(S)-{difluoro[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}(hydroxy)phosphoryl]cytidine	0.743
16	NYW	[[(2~{R},3~{S},4~{R},5~{R})-5-[2,6-bis(azanyl)purin-9-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl]methylphosphonic acid	0.735
17	4BD	5'-O-[(S)-{difluoro[(S)-hydroxy(phosphonooxy)phosphoryl]methyl}(hydroxy)phosphoryl]thymidine	0.722
18	VC7	5'-O-[(R)-hydroxy(methyl)phosphoryl]guanosine	0.719
19	A12	Phosphomethylphosphonic acid adenosyl ester	0.706
20	AP2	Phosphomethylphosphonic acid adenosyl ester	0.706