N-(2-Amino-4,6-dichloro-5-pyrimidinyl)formamide171887-03-9100 % similar 4,6-Dichloro-2,5-pyrimidinediamine55583-59-047 % similar 2-Amino-6-chloro-4(1H)-pyrimidinone1194-21-431 % similar 6-Chloro-1,3,5-triazine-2,4-diamine3397-62-430 % similar 2-Amino-4,6-dichloro-1,3,5-triazine933-20-030 % similar