1 JYQ ~{S}-[4-(6-aminopurin-9-yl)butyl] ethanethioate 1.000 2 JXE 8-bromanyl-9-(4-bromanylbutyl)purin-6-amine 0.700 3 JXQ 9-hex-5-ynylpurin-6-amine 0.700 4 JXT 8-bromanyl-9-pent-4-ynyl-purin-6-amine 0.700 5 JY2 8-methyl-9-pent-4-ynyl-purin-6-amine 0.700 6 JYW 4-(6-azanyl-8-bromanyl-purin-9-yl)butan-1-ol 0.700