1 EFA 5'-deoxy-2-ethynyl-5'-fluoroadenosine 1.000 2 5FD 5'-fluoro-5'-deoxyadenosine 0.905 3 Y3J 5,5-difluoromethyl adenosine 0.864 4 5AD 5'-deoxyadenosine 0.857 5 5F1 5'-fluoro-2',5'-dideoxyadenosine 0.857 6 5CD 5'-chloro-5'-deoxyadenosine 0.818 7 5N5 5'-amino-5'-deoxyadenosine 0.818 8 A4D 5'-thioadenosine 0.818 9 ADN Adenosine 0.818 10 ADY 3'-oxo-adenosine 0.818 11 FWK (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-ethyl-oxolane-3,4-diol 0.818 12 RAB 2-(6-amino-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol 0.818 13 XYA 2-(6-amino-octahydro-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol 0.818 14 CC5 Beta-D-erythrofuranosyl-adenosine 0.810 15 2FA 2-(6-amino-2-fluoro-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol 0.783 16 3BH (2r,3r,4s,5r)-2-(6,8-diaminopurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol 0.783 17 5NB 5'-amino-8-bromo-5'-deoxyadenosine 0.783 18 8OX 6-azanyl-9-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7h-purin-8-one 0.783 19 8ZB (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-propyl-oxolane-3,4-diol 0.783 20 DJ2 (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-(azanyloxymethyl)oxolane-3,4-diol 0.783 21 GBA 8-bromoadenosine 0.783 22 H5F 6-azanyl-9-[(2r,3r,4s,5r)-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl]-1h-purin-2-one 0.783 23 MTA 5'-deoxy-5'-methylthioadenosine 0.783 24 NWW (2~{S},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-3,4-bis(oxidanyl)oxolane-2-carboxamide 0.783 25 QVR (2~{R},3~{R},4~{S},5~{R})-2-(6-aminopurin-9-yl)-5-[(~{E})-prop-1-enyl]oxolane-3,4-diol 0.783 26 3AD 3'-deoxyadenosine 0.773 27 3D1 (2r,3s,5r)-5-(6-amino-9h-purin-9-yl)-tetrahydro-2-(hydroxymethyl)furan-3-ol 0.773 28 3L1 (2s,3r,5s)-5-(6-amino-9h-purin-9-yl)-tetrahydro-2-(hydroxymethyl)furan-3-ol 0.773 29 PUR Purine riboside 0.773 30 3DH 5'-S-ethyl-5'-thioadenosine 0.750 31 5S7 (2~{R},3~{R},4~{S},5~{S})-2-[2,6-bis(azanyl)purin-9-yl]-5-(methylsulfanylmethyl)oxolane-3,4-diol 0.750 32 DF8 (2~{R},3~{R},4~{S},5~{R})-2-(6-azanyl-8-diazanyl-purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol 0.750 33 EP4 5'-deoxy-5'-(dimethylamino)adenosine 0.750 34 M2T 5'-deoxy-5'-(dimethyl-lambda~4~-sulfanyl)adenosine 0.750 35 NWQ (2~{S},3~{S},4~{R},5~{R})-5-(6-aminopurin-9-yl)-~{N}-methyl-3,4-bis(oxidanyl)oxolane-2-carboxamide 0.750 36 ZAS 5'-azido-5'-deoxyadenosine 0.750 37 1DA 1-deaza-adenosine 0.739 38 2AD 2'-amino-2'-deoxyadenosine 0.739 39 2FD 5-(6-amino-2-fluoro-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-ol 0.739 40 5I5 7-(5-deoxy-beta-D-ribofuranosyl)-5-iodo-7h-pyrrolo[2,3-D]pyrimidin-4-amine 0.739 41 6OS Neplanocin-a 0.739 42 7CY (1r,2s,3r,5r)-3-(6-amino-9h-purin-9-yl)-5-(hydroxymethyl)cyclopentane-1,2-diol 0.739 43 8DA 8-oxodeoxyadenosine 0.739 44 AD3 3-deaza-adenosine 0.739 45 ARJ (2s,3r,5r)-3-(6-amino-9h-purin-9-yl)-2-hydroxy-5-(hydroxymethyl)cyclopentanone 0.739 46 CL9 2-chloro-2'-deoxyadenosine 0.739 47 HPR 6-hydroxy-7,8-dihydro purine nucleoside 0.739 48 NOC 3-(6-amino-purin-9-yl)-5-hydroxymethyl-cyclopentane-1,2-diol 0.739 49 NOS Inosine 0.739 50 OJI (2r,3r,4s,5r)-2-(2-azanylpurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol 0.739 51 PRH 6-hydroxy-1,6-dihydro purine nucleoside 0.739 52 SNI 9-(3,4-dihydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-1,9-dihydro-purine-6-thione 0.739 53 TBN '2-(4-amino-pyrrolo[2,3-D]pyrimidin-7-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol 0.739 54 2MA 2-methyladenosine-5'-monophosphate 0.731 55 ADC (1'R,2'S)-9-(2-hydroxy-3'-keto-cyclopenten-1-yl)adenine 0.727 56 A3N 5'-deoxy-5'-(prop-2-yn-1-ylamino)adenosine 0.720 57 AOC 5'-O-prop-2-yn-1-yladenosine 0.720 58 N8M 5'-deoxy-5'-(dimethylamino)-8-methyladenosine 0.720 59 NEA 5'-deoxy-5'-[2-(amino)ethylthio]adenosine 0.720 60 NEC N-ethyl-5'-carboxamido adenosine 0.720 61 V5A Adenosine-5'-vanadate 0.720 62 Z8B 5'-azido-8-bromo-5'-deoxyadenosine 0.720 63 4UO 2,3-dihydroxanthosine 0.708 64 5CG 5'-chloro-5'-deoxy-guanosine 0.708 65 5ID (2r,3r,4s,5r)-2-(4-amino-5-iodo-7h-pyrrolo[2,3-D]pyrimidin-7-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol 0.708 66 6CR 6-chloro-9-(beta-D-ribofuranosyl)-9h-purin-2-amine 0.708 67 6MD N-methyladenosine 0.708 68 AFX (4s,5s)-4-(6-amino-9h-purin-9-yl)-3-fluoro-5-hydroxy-2-(hydroxymethyl)cyclopent-2-en-1-one 0.708 69 CFB 2-chloro-9-(2-deoxy-2-fluoro-B -D-arabinofuranosyl)-9h-purin-6-amine 0.708 70 DBM 9-(6-deoxy-beta-D-allofuranosyl)-6-methylpurine 0.708 71 EKH 5-chlorotubercidin 0.708 72 EKK 5-bromotubercidin 0.708 73 FTU 5-fluorotubercidin 0.708 74 GMP Guanosine 0.708 75 H5V 7-(2-C-methyl-beta-D-ribofuranosyl)-7h-pyrrolo[2,3-D]pyrimidin-4-amine 0.708 76 MTH 2-(4-amino-pyrrolo[2,3-D]pyrimidin-7-yl)-5-methylsulfanylmethyl-tetrahydro-furan-3,4-diol 0.708 77 MTP 2-hydroxymethyl-5-(6-methylsulfanyl-purin-9-yl)-tetrahydro-furan-3,4-diol 0.708 78 TAL 9-(6-deoxy-alpha-L-talofuranosyl)-6-methylpurine 0.708 79 XTS 9-[(2r,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3h-purine-2,6-dione 0.708 80 8AH 5'-O-(dihydroxyphosphanyl)-2,8-dimethyladenosine 0.704