2-Aminoimidazolium sulfate1450-93-733 % similar 4-Amino-2-methylpyridine18437-58-633 % similar 2-O-Methylcytosine3289-47-233 % similar 6-Methylpyrimidin-4-amine3435-28-733 % similar 2-Aminoquinoline580-22-333 % similar 6-Bromo-1H-pyrrolo[3,2-b]pyridine944937-53-533 % similar 2-Amino-6-chloropurine10310-21-132 % similar 2,6-Diaminopurine1904-98-932 % similar Pyrrolopyrimidine272-50-432 % similar 5-Bromo-6-chloro-2-pyridinamine358672-65-831 % similar 5-Bromo-6-methyl-2-pyridinamine42753-71-931 % similar 2-Amino-5-chlorobenzimidazole5418-93-931 % similar 3-Bromo-2,6-pyridinediamine54903-86-531 % similar 2-Amino-5,6-dimethylbenzimidazole29096-75-131 % similar 1,3,5-Triazin-2-amine4122-04-731 % similar 4-Aminopyrimidine591-54-831 % similar 3,5-Diamino-1,2,4-triazole1455-77-230 % similar 3,5-Diamino-1,2,4-triazole503-88-830 % similar 5H-Pyrrolo[3,2-D]pyrimidin-4-amine (9ci)2227-98-730 % similar 4-Chloro-5H-pyrrolo[3,2-D] pyrimidine84905-80-630 % similar