118-70-7 4,5,6-Pyrimidinetriamine (9CI) 4,5,6-Triaminopyrimidine 49721-45-1 6640-23-9 68738-86-3 EINECS 204-270-2 NSC 145059 Pyrimidine, 4,5,6-triamino- (8CI) Pyrimidine-4,5,6-triyltriamine