1 JYW 4-(6-azanyl-8-bromanyl-purin-9-yl)butan-1-ol 1.000 2 JXE 8-bromanyl-9-(4-bromanylbutyl)purin-6-amine 0.882 3 JXT 8-bromanyl-9-pent-4-ynyl-purin-6-amine 0.882 4 ZD2 (2s)-4-(6-amino-9h-purin-9-yl)-2-hydroxybutanoic acid 0.833 5 JXK 9-(3-azanylpropyl)-8-bromanyl-purin-6-amine 0.824 6 JYT 3-(6-azanyl-8-bromanyl-purin-9-yl)propan-1-ol 0.824 7 JXN 8-bromanyl-9-ethyl-purin-6-amine 0.812 8 DEA D-eritadenine 0.789 9 JXB 9-(4-azidobutyl)-8-bromanyl-purin-6-amine 0.789 10 JXQ 9-hex-5-ynylpurin-6-amine 0.778 11 JY2 8-methyl-9-pent-4-ynyl-purin-6-amine 0.778 12 APS 9-hydroxypropyladenine, S-isomer 0.765 13 ARP 9-hydroxypropyladenine, R-isomer 0.765 14 2EC 9-ethyl-9h-purin-6-ylamine 0.750 15 JYE 9-(3-azidopropyl)-8-bromanyl-purin-6-amine 0.737 16 JYN 9-(4-azidobutyl)purin-6-amine 0.737 17 JY8 9-ethyl-8-methyl-purin-6-amine 0.706 18 3DD (2r,3r)-4-(4-amino-1h-imidazo[4,5-C]pyridin-1-yl)-2,3-dihydroxybutanoic acid 0.700 19 HGL (2s)-2-amino-4-(2-amino-6-oxo-1,6-dihydro-9h-purin-9-yl)butanoic acid 0.700 20 JYQ ~{S}-[4-(6-aminopurin-9-yl)butyl] ethanethioate 0.700 21 PE2 9-(4-hydroxy-3-(hydroxymethyl)but-1-yl)guanine 0.700