2-Chloro-4,5-pyrimidinediamine14631-08-4100 % similar 2-Chloro-5-fluoro-4-pyrimidinamine155-10-256 % similar 2-Chloro-5-methoxy-4-pyrimidinamine99979-77-856 % similar 2-Chloro-5-nitro-4-pyrimidinamine1920-66-747 % similar 4,5-Diaminopyrimidine13754-19-342 % similar 4-Amino-2-chloro-6,7-dimethoxyquinazoline23680-84-436 % similar 6-Chloro-4,5-pyrimidinediamine4316-98-735 % similar 2-Chloro-4-nitroimidazole57531-37-034 % similar 6-Chloro-4-methyl-3-pyridinamine66909-38-432 % similar 2-Chloro-5-pyrimidinamine56621-90-032 % similar 5-Bromo-2-chloro-N-cyclopentyl-4-pyrimidinamine733039-20-832 % similar 6-Amino-5-iodo-2(1H)-pyrimidinone1122-44-732 % similar 2-Amino-4,6-dichloro-1,3,5-triazine933-20-031 % similar 2-Chloroadenine1839-18-531 % similar