Synonyms: Carbanilide,3,3'-dichlorothio- (6CI,7CI,8CI); 1,3-Bis(3-chlorophenyl)thiourea;1,3-Bis(m-chlorophenyl)thiourea; 3,3'-Dichlorothiocarbanilide;N,N'-Bis(3-chlorophenyl)thiourea; N,N'-Bis(m-chlorophenyl)thiourea;N,N'-Di(3-chlorophenyl)thiourea; NSC 12980