(1,2,4)Triazolo(1,5-a)pyrimidin-7-amine, 5-methyl- 33376-96-4 4-26-00-03733 (Beilstein Handbook Reference) 5-Methyl-7-amino-s-triazolo(1,5-a)pyrimidine 7-Amino-5-methyl-s-triazolo(1,5-a)pyrimidine BRN 0139531 Desdiethyltrapidil