2,4-Diethylenimino-6-chloropyrimidine 2,6-Bis(1-aziridinyl)-4-chloropyrimidine 2,6-Diethylenimino-4-chloropyrimidine 2482-80-6 4-Chloro-2,6-bis(ethylenimino)pyrimidine A 1 Aethimidinum Ethymidine Etimidin NSC48225 Pyrimidine, 2,4-bis(1-aziridinyl)-6-chloro- SQ 7710