1 FFJ 2'-deoxy-5'-O-[(R)-{[(R)-[difluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine 1.000 2 F3C 2'-deoxy-5'-O-[(R)-{[(R)-[(R)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine 0.967 3 FF4 2'-deoxy-5'-O-[(R)-{[(R)-[(S)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine 0.967 4 VC6 4-amino-1-{5-O-[(R)-{[(R)-[(S)-chloro(fluoro)phosphonomethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2-deoxy-alpha-L-threo-pentofuranosyl}pyrimidin-2(1h)-one 0.935 5 SFV [[[(2~{R},3~{S},5~{R})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]methylphosphonic acid 0.933 6 VT7 5'-O-[(R)-{[(R)-[difluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]thymidine 0.906 7 DJJ 5'-O-[(R)-{[(R)-[(S)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxycytidine 0.903 8 FF7 5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxycytidine 0.903 9 FDY 5'-O-[(R)-{[(R)-[(R)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]thymidine 0.875 10 VC8 4-amino-1-{2-deoxy-5-O-[(R)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-alpha-L-threo-pentofuranosyl}pyrimidin-2(1h)-one 0.875 11 VC9 2'-deoxy-5'-O-[(R)-{[(R)-[dibromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine 0.875 12 VT6 5'-O-[(R)-{[(R)-[(S)-chloro(fluoro)phosphonomethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]thymidine 0.848 13 TTE Phosphomethyl phosphonic acid deoxythymidylate ester 0.844 14 VA6 9-{2-deoxy-5-O-[(S)-{[(S)-[difluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-alpha-D-erythro-pentofuranosyl}-9h-purin-6-amine 0.824 15 EJH [(~{S})-chloranyl-[[[(2~{R},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]methyl]phosphonic acid 0.818 16 FDJ 5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]thymidine 0.818 17 FDV 5'-O-[(R)-hydroxy({(R)-hydroxy[(1s)-1-phosphonoethyl]phosphoryl}oxy)phosphoryl]thymidine 0.818 18 ATF Phosphodifluoromethylphosphonic acid-adenylate ester 0.800 19 GFF 2'-deoxy-5'-O-[({[difluoro(phosphono)methyl](hydroxy)phosphoryl}oxy)(hydroxy)phosphoryl]guanosine 0.800 20 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 0.794 21 VT8 5'-O-[(R)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]thymidine 0.794 22 FHG 2'-deoxy-5'-O-[(R)-{[(R)-[(S)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.771 23 GFH 2'-deoxy-5'-O-[(R)-{[(R)-[(R)-fluoro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.771 24 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 0.771 25 FCJ 2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonomethyl)phosphoryl]oxy}phosphoryl]adenosine 0.765 26 GFC 5'-O-[(S)-{[(S)-[(S)-chloro(fluoro)phosphonomethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.750 27 GFM 2'-deoxy-5'-O-[(S)-{[(S)-[(1r)-1-fluoro-1-phosphonoethyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.750 28 ACP Phosphomethylphosphonic acid adenylate ester 0.743 29 GGH 2'-deoxy-5'-O-(hydroxy{[hydroxy(phosphonomethyl)phosphoryl]oxy}phosphoryl)guanosine 0.743 30 HGV 2'-deoxy-5'-O-[(R)-hydroxy({(R)-hydroxy[(1s)-1-phosphonoethyl]phosphoryl}oxy)phosphoryl]adenosine 0.743 31 VA4 5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyadenosine 0.743 32 LTP 4-amino-1-{2-deoxy-5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-beta-L-erythro-pentofuranosyl}pyrimidin-2(1h)-one 0.742 33 YYY Deoxycytidine diphosphate 0.742 34 0RC 5'-O-[(S)-{[(R)-(2-aminoethyl)(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine 0.727 35 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 0.727 36 G1C 5'-O-[(R)-{[(S)-[(S)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.722 37 G1M 2'-deoxy-5'-O-[(R)-hydroxy({(S)-hydroxy[(1r)-1-phosphonoethyl]phosphoryl}oxy)phosphoryl]guanosine 0.722 38 GBR 5'-O-[(R)-{[(S)-[(R)-bromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.722 39 GCP Phosphomethylphosphonic acid guanylate ester 0.722 40 GRC 5'-O-[(R)-{[(R)-[(R)-chloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]-2'-deoxyguanosine 0.722 41 H84 2'-deoxy-5'-O-[(R)-{[(R)-[dibromo(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]adenosine 0.722 42 VA7 2'-deoxy-5'-O-[(R)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]adenosine 0.722 43 CDF 4-amino-1-{5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-alpha-D-arabinofuranosyl}pyrimidin-2(1h)-one 0.719 44 CDP Cytidine-5'-diphosphate 0.719 45 DDY 2',3'-dideoxycytosine-5'-diphosphate 0.710 46 G2C 2'-deoxy-5'-O-[(S)-{[(R)-[dichloro(phosphono)methyl](hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]guanosine 0.703 47 G2M 2'-deoxy-5'-O-[(S)-hydroxy{[(S)-hydroxy(1-methyl-1-phosphonoethyl)phosphoryl]oxy}phosphoryl]guanosine 0.703