1 APS 9-hydroxypropyladenine, S-isomer 1.000 2 ARP 9-hydroxypropyladenine, R-isomer 1.000 3 JXZ 2-(6-azanyl-8-methyl-purin-9-yl)ethanol 0.867 4 2EC 9-ethyl-9h-purin-6-ylamine 0.857 5 JXK 9-(3-azanylpropyl)-8-bromanyl-purin-6-amine 0.812 6 JYT 3-(6-azanyl-8-bromanyl-purin-9-yl)propan-1-ol 0.812 7 JXN 8-bromanyl-9-ethyl-purin-6-amine 0.800 8 JY8 9-ethyl-8-methyl-purin-6-amine 0.800 9 ADZ 9-methyl-9h-purin-6-amine 0.786 10 DEA D-eritadenine 0.778 11 JXE 8-bromanyl-9-(4-bromanylbutyl)purin-6-amine 0.765 12 JXQ 9-hex-5-ynylpurin-6-amine 0.765 13 JXT 8-bromanyl-9-pent-4-ynyl-purin-6-amine 0.765 14 JY2 8-methyl-9-pent-4-ynyl-purin-6-amine 0.765 15 JYW 4-(6-azanyl-8-bromanyl-purin-9-yl)butan-1-ol 0.765 16 JXW 9-(2-chloroethyl)-8-methyl-purin-6-amine 0.750 17 JYB 9-ethyl-8-ethynyl-purin-6-amine 0.750 18 ZAD (S)-1'-(2',3'-dihydroxypropyl)-adenine 0.737 19 39A 6-amino-3,9-dimethyl-9h-purin-3-ium 0.733 20 W5M 9-methyl-9h-purine-2,6-diamine 0.733 21 JYE 9-(3-azidopropyl)-8-bromanyl-purin-6-amine 0.722 22 JYN 9-(4-azidobutyl)purin-6-amine 0.722 23 ZD2 (2s)-4-(6-amino-9h-purin-9-yl)-2-hydroxybutanoic acid 0.722 24 ADE Adenine 0.714 25 EH9 (2s,3r)-3-(6-amino-9h-purin-9-yl)nonan-2-ol 0.700