1 301 N6-(penta-2,3-dienyl)adenine 1.000 2 HA8 N6-(buta-2,3-dienyl)adenine 0.933 3 ZIP N-(3-methylbut-2-en-1-yl)-9h-purin-6-amine 0.875 4 WA2 (2r)-2-methyl-4-(7h-purin-6-ylamino)butan-1-ol 0.824 5 ZEA (2e)-2-methyl-4-(9h-purin-6-ylamino)but-2-en-1-ol 0.824 6 ZEZ (2z)-2-methyl-4-(9h-purin-6-ylamino)but-2-en-1-ol 0.824 7 XX1 N~6~-7h-purin-6-yl-L-lysine 0.789 8 2KU N-(3-methoxypropyl)-9h-purin-6-amine 0.765 9 W5D 4-(1,4-oxazonan-4-yl)-7h-pyrrolo[2,3-D]pyrimidine 0.737 10 N6M N-methyl-9h-purin-6-amine 0.733 11 A1A84 (2s)-2-[(7h-pyrrolo[2,3-D]pyrimidin-4-yl)amino]pent-4-yn-1-ol 0.722 12 A1BKM 4-bromo-N-(5,6-dimethyl-7h-pyrrolo[2,3-D]pyrimidin-4-yl)pent-4-enamide 0.700