146-68-9 2-(p-Iodophenyl)-3-(p-nitrophenyl)-5-phenyltetrazolium chloride 2H-Tetrazolium, 2-(4-iodophenyl)-3-(4-nitrophenyl)-5-phenyl-, chloride 2H-Tetrazolium, 2-(p-iodophenyl)-3-(p-nitrophenyl)-5-phenyl-, chloride INT Iodonitro tetrazolium Iodonitrotetrazolium Iodonitrotetrazolium chloride Iodonitrotetrazolium purple Iodonitrotetrazolium violet NSC89168