1 M59 [(1s,3s,4s)-3-(6-amino-9h-purin-9-yl)bicyclo[2.2.1]hept-1-yl]methanol 1.000 2 6OS Neplanocin-a 0.810 3 7CY (1r,2s,3r,5r)-3-(6-amino-9h-purin-9-yl)-5-(hydroxymethyl)cyclopentane-1,2-diol 0.810 4 ARJ (2s,3r,5r)-3-(6-amino-9h-purin-9-yl)-2-hydroxy-5-(hydroxymethyl)cyclopentanone 0.810 5 NOC 3-(6-amino-purin-9-yl)-5-hydroxymethyl-cyclopentane-1,2-diol 0.810 6 AFX (4s,5s)-4-(6-amino-9h-purin-9-yl)-3-fluoro-5-hydroxy-2-(hydroxymethyl)cyclopent-2-en-1-one 0.773 7 3AD 3'-deoxyadenosine 0.762 8 3D1 (2r,3s,5r)-5-(6-amino-9h-purin-9-yl)-tetrahydro-2-(hydroxymethyl)furan-3-ol 0.762 9 3L1 (2s,3r,5s)-5-(6-amino-9h-purin-9-yl)-tetrahydro-2-(hydroxymethyl)furan-3-ol 0.762 10 CDY 2-chlorodideoxyadenosine 0.762 11 KF5 9-[(2~{S})-oxan-2-yl]purin-6-amine 0.750 12 IV6 3-[2-chloranyl-6-(methylamino)purin-9-yl]benzoic acid 0.739 13 2AD 2'-amino-2'-deoxyadenosine 0.727 14 2FD 5-(6-amino-2-fluoro-purin-9-yl)-2-hydroxymethyl-tetrahydro-furan-3-ol 0.727 15 8DA 8-oxodeoxyadenosine 0.727 16 ADN Adenosine 0.727 17 ADY 3'-oxo-adenosine 0.727 18 CL9 2-chloro-2'-deoxyadenosine 0.727 19 RAB 2-(6-amino-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol 0.727 20 XYA 2-(6-amino-octahydro-purin-9-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diol 0.727 21 2DI 9-[(2r,5r)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-1,9-dihydro-6h-purin-6-one 0.714 22 ADC (1'R,2'S)-9-(2-hydroxy-3'-keto-cyclopenten-1-yl)adenine 0.714 23 JXH 8-bromanyl-9-[(2~{R})-oxan-2-yl]purin-6-amine 0.714 24 UO8 2-azanyl-9-cyclohexyl-3~{H}-purine-6-thione 0.714