Synonyms: 1,3,4-Thiadiazole-2-thiol,5-anilino- (6CI,7CI); 1,3,4-Thiadiazolidine-2-thione, 5-(phenylimino)- (8CI);2-Mercapto-5-anilino-1,3,4-thiadiazole; 2-Mercapto-5-anilino-1,3,4-thiodiazole;2-Mercapto-5-phenylamino-1,3,4-thiadiazole;2-Phenylamino-5-mercapto-1,3,4-thiadiazole;5-Anilino-1,3,4-thiadiazole-2(3H)-thione;5-Phenylamino-1,3,4-thiadiazol-2-ylthiol