13922-83-3 2,4,6-Triethylenimino-5-chloropyrimidine 2,4,6-Tris(1-aziridinyl)-5-chloropyrimidine 5-25-12-00320 (Beilstein Handbook Reference) 5-Chloro-2,4,6-triethyleniminopyrimidine BRN 0811810 Pyrimidine, 2,4,6-tris(1-aziridinyl)-5-chloro-