1	1FZ	5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]thymidine	1.000
2	DUP	2'-deoxyuridine 5'-alpha,beta-imido-triphosphate	0.966
3	2KH	5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]uridine	0.933
4	0KX	2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]cytidine	0.900
5	A0I	[(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-~{N}-[oxidanyl(phosphonooxy)phosphoryl]phosphonamidic acid	0.871
6	DUN	2'-deoxyuridine 5'-alpha,beta-imido-diphosphate	0.767
7	XG4	2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]guanosine	0.765
8	DZ4	2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine	0.735
9	ZAN	5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine	0.714
10	C6T	2'-deoxy-5'-O-[(S)-hydroxy{[(R)-hydroxy(phosphonomethyl)phosphoryl]amino}phosphoryl]-3,4-dihydrothymidine	0.706