1,1',1''-Phosphorothioyltris(2-methylaziridine) 76-96-0 AI3-50004 Aziridine, 1,1',1''-phosphinothioylidynetris(2-methyl- (9CI) EINECS 200-995-3 ENT 161A ENT 50782 Maps Metapside Methiotepa NSC 54055 Phosphine sulfide, tris(2-methyl-1-aziridinyl)- (8CI) Tris(2-methyl-1-aziridinyl)phosphine sulfide