13150-15-7 2,4-Bis(1-aziridinyl)-5,6-dichloropyrimidine 2,4-Di(ethyleneimino)-5,6-dichloropyrimidine 5-25-12-00039 (Beilstein Handbook Reference) BRN 0796151 Pyrimidine, 2,4-bis(1-aziridinyl)-5,6-dichloro-