1,1'-Sulphonylbis-1H-imidazole7189-69-732 % similar 1H-Imidazole-1-acetic acid hydrochloride87266-37-332 % similar Imidazole-1-sulfonic acid dimethyl amine78162-58-031 % similar 1-Propylimidazole35203-44-230 % similar 4-(1-Imidazolyl)benzoic Acid17616-04-530 % similar