1 XG4 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]guanosine 1.000 2 DZ4 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine 0.906 3 ZAN 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]adenosine 0.879 4 0KX 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]cytidine 0.788 5 DUP 2'-deoxyuridine 5'-alpha,beta-imido-triphosphate 0.788 6 1FZ 5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]thymidine 0.765 7 2KH 5'-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]amino}phosphoryl]uridine 0.765 8 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 0.765 9 AU1 5'-O-[(R)-hydroxy(phosphonoamino)phosphoryl]adenosine 0.706