Synonyms: p-Benzoquinone,2,5-bis(1-aziridinyl)-3,6-dipropoxy- (8CI); 2,5-Bis(2-methoxyethoxy)-3,6-bis(ethyleneimino)-p-benzoquinone;2,5-Bis(ethyleneimino)-3,6-bispropoxy-1,4-benzoquinone;2,5-Bis(ethyleneimino)-3,6-dipropoxy-p-benzoquinone;2,5-Bis(ethylenimino)-3,6-dipropoxy-1,4-benzoquinone;2,5-Di(ethyleneimino)-3,6-di(propyloxy)-1,4-benzoquinone; 3,6-Bispropoxy-2,5-bis[ethyleneimino]-1,4-benzoquinone;Bayer E 39; E 39; E 39 (quinone); Inproquone; NSC 17261; RP 6870