2,4-Diamino-5-(2-pyridylmethyl)-pyrimidine 2,4-Pyrimidinediamine, 5-(2-pyridinylmethyl)- (9CI) 5-(2-Pyridinylmethyl)-2,4-pyrimidinediamine 5-26-09-00096 (Beilstein Handbook Reference) 65873-50-9 BRN 0789810 Pyrimidine, 2,4-diamino-5-(2-pyridylmethyl)-