Synonyms: 4-Imidazoline-2-thione,4,5-diphenyl- (5CI); Imidazole-2-thiol, 4,5-diphenyl- (6CI,7CI,8CI);2-Mercapto-4,5-diphenylimidazole; 4,5-Diphenyl-1H-imidazole-2-thiol;4,5-Diphenyl-2-imidazolethiol; 4,5-Diphenyl-2-mercaptoimidazole;4,5-Diphenyl-4-imidazoline-2-thione; 4,5-Diphenylimidazoline-2-thione;4,5-Diphenylmercaptoimidazole