13150-25-9 4,6-Bis(1-aziridinyl)-5-chloro-2-methoxypyrimidine 4,6-Di(ethyleneimino)-2-methoxy-5-chloropyrimidine 5-25-12-00466 (Beilstein Handbook Reference) BRN 0805251 Pyrimidine, 4,6-bis(1-aziridinyl)-5-chloro-2-methoxy-