13922-84-4 2,4,6-Tri(ethyleneimino)-5-bromopyrimidine 5-25-12-00320 (Beilstein Handbook Reference) 5-Bromo-2,4,6-tris(1-aziridinyl)pyrimidine BRN 0811811 Pyrimidine, 5-bromo-2,4,6-tris(1-aziridinyl)-