1 WA2 (2r)-2-methyl-4-(7h-purin-6-ylamino)butan-1-ol 1.000 2 ZEA (2e)-2-methyl-4-(9h-purin-6-ylamino)but-2-en-1-ol 1.000 3 ZEZ (2z)-2-methyl-4-(9h-purin-6-ylamino)but-2-en-1-ol 1.000 4 ZIP N-(3-methylbut-2-en-1-yl)-9h-purin-6-amine 0.938 5 HA8 N6-(buta-2,3-dienyl)adenine 0.875 6 301 N6-(penta-2,3-dienyl)adenine 0.824 7 2KU N-(3-methoxypropyl)-9h-purin-6-amine 0.722