1 AZT 3'-azido-3'-deoxythymidine-5'-triphosphate 1.000 2 ABT 3'-azido-3'-deoxy-thymidine-5'-alpha borano triphosphate 0.938 3 D3T 2',3'-dideoxy-thymidine-5'-triphosphate 0.903 4 D4T 2',3'-dehydro-2',3'-deoxy-thymidine 5'-triphosphate 0.903 5 TTP Thymidine-5'-triphosphate 0.875 6 XRF 1-{2-deoxy-5-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-L-erythro-pentofuranosyl}-5-methylpyrimidine-2,4(1h,3h)-dione 0.875 7 B7A 2'-deoxy-5-formyluridine 5'-(tetrahydrogen triphosphate) 0.848 8 HXB 4'-methylthymidine 5'-(tetrahydrogen triphosphate) 0.848 9 M5T 5-methyluridine triphosphate 0.848 10 DUT Deoxyuridine-5'-triphosphate 0.844 11 U3H 3'-deoxy-uridine 5'-triphosphate 0.844 12 HXZ 4'-ethylthymidine 5'-(tetrahydrogen triphosphate) 0.824 13 523 2'-deoxy-5-methylcytidine 5'-(tetrahydrogen triphosphate) 0.818 14 B7P 2'-deoxy-5-fluorouridine 5'-(tetrahydrogen triphosphate) 0.818 15 UTP Uridine 5'-triphosphate 0.818 16 YQS [[(2~{R},3~{S},5~{R})-5-[5-methyl-2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-oxolan-2-yl]methoxy-sulfanyl-phosphoryl] phosphono hydrogen phosphate 0.818 17 AZD 3'-azido-3'-deoxythymidine-5'-diphosphate 0.812 18 DCT 2',3'-dideoxycytidine 5'-triphosphate 0.812 19 NQ4 [[(2~{R},5~{S})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.812 20 B7J 2'-deoxy-5-formylcytidine 5'-(tetrahydrogen triphosphate) 0.794 21 BUP 5-bromouridine 5'-(tetrahydrogen triphosphate) 0.794 22 1S0 4-amino-1-{2-deoxy-5-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-L-erythro-pentofuranosyl}pyrimidin-2(1h)-one 0.788 23 CH1 3'-deoxy-cytidine-5'-triphosphate 0.788 24 DCP 2'-deoxycytidine-5'-triphosphate 0.788 25 1TK 4-amino-1-{2-deoxy-2-fluoro-5-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-arabinofuranosyl}pyrimidin-2(1h)-one 0.765 26 80J 2'-deoxy-2'-fluorocytidine 5'-(tetrahydrogen triphosphate) 0.765 27 CSG 2'-amino-2'-deoxycytidine 5'-(tetrahydrogen triphosphate) 0.765 28 CTP Cytidine-5'-triphosphate 0.765 29 HF4 4-amino-1-{5-O-[(S)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-arabinofuranosyl}pyrimidin-2(1h)-one 0.765 30 P5E [[(2~{R},3~{S},4~{R},5~{R})-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3,4-bis(oxidanyl)oxolan-2-yl]methoxy-sulfanyl-phosphoryl] phosphono hydrogen phosphate 0.765 31 1RZ Lamivudine triphosphate 0.758 32 0KL 5-(5-aminopent-1-yn-1-yl)-2'-deoxyuridine 5'-(tetrahydrogen triphosphate) 0.757 33 85T 4-amino-1-{2-cyano-2-deoxy-5-O-[(S)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-arabinofuranosyl}pyrimidin-2(1h)-one 0.743 34 GTF 2'-deoxy-2',2'-difluorocytidine 5'-(tetrahydrogen triphosphate) 0.743 35 1RY [[(2r,5s)-5-(4-azanyl-5-fluoranyl-2-oxidanylidene-pyrimidin-1-yl)-1,3-oxathiolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.735 36 4Y3 [[(2~{S},5~{R})-5-(4-azanyl-5-fluoranyl-2-oxidanylidene-pyrimidin-1-yl)-1,3$L^{4}-oxathiolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.735 37 F6G 6-amino-3-{2-deoxy-5-O-[(R)-hydroxy{[(S)-hydroxy(phosphonooxy)phosphoryl]oxy}phosphoryl]-beta-D-erythro-pentofuranosyl}-3,4-dihydro-1,3,5-triazin-2(1h)-one 0.735 38 N8G [[(2~{S},5~{R})-5-(4-azanyl-5-fluoranyl-2-oxidanylidene-pyrimidin-1-yl)-1,3-oxathiolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.735 39 NE0 [[(2r,3r,4r,5r)-5-[2,4-bis(oxidanylidene)pyrimidin-1-yl]-3-oxidanyl-4-phosphonooxy-oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.730 40 D4D 2',3'-dehydro-2',3'-deoxy-thymidine 5'-diphosphate 0.719 41 UFQ Cytosine 5'-[gamma-thio]triphosphate 0.714 42 0L6 5-(5-aminopent-1-yn-1-yl)-2'-deoxycytidine 5'-(tetrahydrogen triphosphate) 0.711 43 8DG 8-oxo-2'-deoxyguanosine-5'-triphosphate 0.703 44 N5C 5-nitrocytidine 5'-(tetrahydrogen triphosphate) 0.703