CW 524, N,N’-{piperazine-1,4-diylbis[(trichloromethyl)methylene]}diformamide, Biformylchlorazin, 1,4-bis-(2,2,2-trichloro-1-formamidoethyl)-piperazine, N,N’-[piperazine-1,4-diylbis(2,2,2-trichloroethane-1,1-diyl)]diformamide, CELA 50, Triforin, Triforine, N,N’-[1,4-piperazinediylbis(2,2,2-trichloroethylidene)]bis[formamide], N,N'-(2,2,2,2',2',2'-hexachloro-1,1'-piperazine-1,4-diyl-diethyl)-bis-formamide, Caswell No. 890AA, Funginex, N-[2,2,2-trichloro-1-[4-(2,2,2-trichloro-1-formamidoethyl)piperazin-1-yl]ethyl]formamide, N,N'-(1,4-piperazinediyl bis (2,2,2-trichloro) ethylidene) bis formamide, Saprol