Synonyms: 1,3,4-Thiadiazole,2,5-dianilino- (7CI,8CI); 1,3,4-Thiadiazole-2,5-diamine, N,N'-diphenyl- (9CI);1,3,4-Thiadiazolidine, 2,5-bis(phenylimino)- (6CI);2,5-Bis(phenylamino)-1,3,4-thiadiazole; 2,5-Dianilino-1,3,4-thiadiazole;N,N'-Diphenyl-1,3,4-thiadiazole-2,5-diamine; NSC 132133; NSC 215238