1 ARU 5'-O-[(R)-{[(R)-[dibromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-N,N-diethyladenosine 1.000 2 H84 2'-deoxy-5'-O-[(R)-{[(R)-[dibromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]adenosine 0.816 3 ACP Phosphomethylphosphonic acid adenylate ester 0.789 4 GBR 5'-O-[(R)-{[(S)-[(R)-bromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.769 5 GCP Phosphomethylphosphonic acid guanylate ester 0.769 6 FCJ 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonomethyl)phosphoryl]oxy}phosphoryl]adenosine 0.763 7 ATF Phosphodifluoromethylphosphonic acid-adenylate ester 0.750 8 GGH 2'-deoxy-5'-O-(hydroxy{[hydroxy(phosphonomethyl)phosphoryl]oxy}phosphoryl)guanosine 0.744 9 HGV 2'-deoxy-5'-O-[(R)-hydroxy({(R)-hydroxy[(1s)-1-phosphonoethyl]phosphoryl}oxy)phosphoryl]adenosine 0.744 10 V3A 9-{2-deoxy-5-O-[(R)-{[(R)-[(R)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-alpha-D-erythro-pentofuranosyl}-9h-purin-6-amine 0.744 11 VA4 5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyadenosine 0.744 12 FHG 2'-deoxy-5'-O-[(R)-{[(R)-[(S)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.725 13 G1C 5'-O-[(R)-{[(S)-[(S)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.725 14 G1M 2'-deoxy-5'-O-[(R)-hydroxy({(S)-hydroxy[(1r)-1-phosphonoethyl]phosphoryl}oxy)phosphoryl]guanosine 0.725 15 GFH 2'-deoxy-5'-O-[(R)-{[(R)-[(R)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.725 16 GRC 5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.725 17 VA5 9-{5-O-[(R)-{[(R)-[(S)-chloro(fluoro)phosphonomethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2-deoxy-alpha-D-threo-pentofuranosyl}-9h-purin-6-amine 0.725 18 VA6 9-{2-deoxy-5-O-[(S)-{[(S)-[difluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-alpha-D-erythro-pentofuranosyl}-9h-purin-6-amine 0.725 19 VA7 2'-deoxy-5'-O-[(R)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]adenosine 0.725 20 NO7 9-{5-O-[(S)-hydroxy(phosphonooxy)phosphoryl]-alpha-D-ribofuranosyl}-N-(prop-2-yn-1-yl)-9h-purin-6-amine 0.718 21 G2C 2'-deoxy-5'-O-[(S)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.707 22 G2M 2'-deoxy-5'-O-[(S)-hydroxy{[(S)-hydroxy(1-methyl-1-phosphonoethyl)phosphoryl]oxy}phosphoryl]guanosine 0.707 23 GFC 5'-O-[(S)-{[(S)-[(S)-chloro(fluoro)phosphonomethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.707 24 GFF 2'-deoxy-5'-O-[({[difluoro(phosphono)methyl](hydroxy)phosphoryl}oxy)(hydroxy)phosphoryl]guanosine 0.707 25 GFM 2'-deoxy-5'-O-[(S)-{[(S)-[(1r)-1-fluoro-1-phosphonoethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.707