1 FTD [(2r,5s)-5-(4-amino-5-fluoro-2-oxo-3,6-dihydropyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl trihydrogen diphosphate 1.000 2 0G8 [(2r,5s)-5-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl trihydrogen diphosphate 0.958 3 DDY 2',3'-dideoxycytosine-5'-diphosphate 0.880 4 LTP 4-amino-1-{2-deoxy-5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-beta-L-erythro-pentofuranosyl}pyrimidin-2(1h)-one 0.846 5 YYY Deoxycytidine diphosphate 0.846 6 A1A3L 4-amino-1-{(3xi)-3-C-amino-2-deoxy-5-O-[(S)-hydroxy(phosphonooxy)phosphoryl]-beta-D-threo-pentofuranosyl}pyrimidin-2(1h)-one 0.815 7 CDF 4-amino-1-{5-O-[(R)-hydroxy(phosphonooxy)phosphoryl]-alpha-D-arabinofuranosyl}pyrimidin-2(1h)-one 0.815 8 CDP Cytidine-5'-diphosphate 0.815 9 0G4 [[[[(2r,5s)-5-(4-azanyl-5-fluoranyl-2-oxidanylidene-pyrimidin-1-yl)-1,3-oxathiolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy -oxidanyl-phosphoryl]amino]phosphonic acid 0.793 10 1RY [[(2r,5s)-5-(4-azanyl-5-fluoranyl-2-oxidanylidene-pyrimidin-1-yl)-1,3-oxathiolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.793 11 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 0.793 12 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 0.793 13 GCQ Gemcitabine diphosphate 0.786 14 D4D 2',3'-dehydro-2',3'-deoxy-thymidine 5'-diphosphate 0.778 15 DUD Deoxyuridine-5'-diphosphate 0.778 16 FUP 2',3'-dideoxy-3'-fluoro-urididine-5'-diphosphate 0.778 17 43X [(2r,5s)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl dihydrogen phosphate 0.760 18 1RZ Lamivudine triphosphate 0.759 19 3TT [[[[(2r,5s)-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)-1,3-oxathiolan-2-yl]methoxy-oxidanyl-phosphoryl]oxy-oxidanyl-phosphoryl]amino]phosphonic acid 0.759 20 TYD Thymidine-5'-diphosphate 0.750 21 UDP Uridine-5'-diphosphate 0.750 22 5GS 2'-C-methyluridine 5'-(trihydrogen diphosphate) 0.724 23 6GS 2'-deoxy-2'-fluoro-2'-methyluridine 5'-(trihydrogen diphosphate) 0.724 24 42E [(2r,5s)-5-(4-amino-2-oxopyrimidin-1(2h)-yl)-1,3-oxathiolan-2-yl]methyl dihydrogen phosphate 0.720 25 0RC 5'-O-[(S)-{[(R)-(2-aminoethyl)(hydroxy)phosphoryl]oxy}(hydroxy)phosphoryl]cytidine 0.700 26 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 0.700 27 8DD 8-oxo-7,8-dihydro-2'-deoxy-adenosine-5'-diphosphate 0.700 28 AZD 3'-azido-3'-deoxythymidine-5'-diphosphate 0.700 29 DCT 2',3'-dideoxycytidine 5'-triphosphate 0.700 30 NQ4 [[(2~{R},5~{S})-5-(4-azanyl-2-oxidanylidene-pyrimidin-1-yl)oxolan-2-yl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen phosphate 0.700