1 JYT 3-(6-azanyl-8-bromanyl-purin-9-yl)propan-1-ol 1.000 2 JXK 9-(3-azanylpropyl)-8-bromanyl-purin-6-amine 0.875 3 JXN 8-bromanyl-9-ethyl-purin-6-amine 0.867 4 JXE 8-bromanyl-9-(4-bromanylbutyl)purin-6-amine 0.824 5 JXT 8-bromanyl-9-pent-4-ynyl-purin-6-amine 0.824 6 JYW 4-(6-azanyl-8-bromanyl-purin-9-yl)butan-1-ol 0.824 7 APS 9-hydroxypropyladenine, S-isomer 0.812 8 ARP 9-hydroxypropyladenine, R-isomer 0.812 9 2EC 9-ethyl-9h-purin-6-ylamine 0.800 10 JYE 9-(3-azidopropyl)-8-bromanyl-purin-6-amine 0.778 11 ZD2 (2s)-4-(6-amino-9h-purin-9-yl)-2-hydroxybutanoic acid 0.778 12 JY8 9-ethyl-8-methyl-purin-6-amine 0.750 13 DEA D-eritadenine 0.737 14 JXB 9-(4-azidobutyl)-8-bromanyl-purin-6-amine 0.737 15 ADZ 9-methyl-9h-purin-6-amine 0.733 16 JXQ 9-hex-5-ynylpurin-6-amine 0.722 17 JY2 8-methyl-9-pent-4-ynyl-purin-6-amine 0.722 18 JYK 9-(2-azidoethyl)-8-bromanyl-purin-6-amine 0.722 19 JXW 9-(2-chloroethyl)-8-methyl-purin-6-amine 0.706 20 JXZ 2-(6-azanyl-8-methyl-purin-9-yl)ethanol 0.706 21 JYB 9-ethyl-8-ethynyl-purin-6-amine 0.706