1,2-Dihydro-2-iminopyrimidine 109-12-6 2-AMINOPYRIMIDINE 2-Pyridiylamine 2-Pyrimidinamine 2-Pyrimidiylamine 6918-31-6 AI3-24128 EINECS 203-648-4 NSC 1912 Pyrimidin-2-ylamine Pyrimidine, 1,2-dihydro-2-imine- (7CI) Pyrimidine, 2-amino-