5H-Pyrrolo[3,2-D]pyrimidin-4-amine (9ci)2227-98-732 % similar 2-Chloro-4,5-pyrimidinediamine14631-08-431 % similar 5-Chloropyrimidin-4-amine101257-82-331 % similar 2-Amino-3-chloropyridine39620-04-731 % similar 6-Chloro-2,3-diaminopyridine40851-95-431 % similar 2,5-Dichloropyrimidin-4-amine89180-51-831 % similar 4,6-Dichloro-1,3,5-trazin-2-amine933-20-031 % similar 5-Amino-4,6-dichloropyrimidine5413-85-430 % similar Dichloro-s-triazine2831-66-530 % similar 4-Amino-6-chloropyrimidine-5-carbonitrile60025-09-430 % similar 9-Methyladenine700-00-530 % similar