13243-82-8 2,4-Bis(1-aziridinyl)-5-chloro-6-methoxypyrimidine 2,4-Di(ethyleneimino)-6-methoxy-5-chloropyrimidine 5-25-12-00503 (Beilstein Handbook Reference) BRN 0799356 Pyrimidine, 2,4-bis(1-aziridinyl)-5-chloro-6-methoxy-