Synonyms: WST-3;2-(4-IODOPHENYL)-3-(2,4-DINITROPHENYL)-5-PHENYL-2H-TETRAZOLIUM-2',4'-DISULFONATE SODIUM SALT;4-[3-(4-IODOPHENYL)-2-(2,4-DINITROPHENYL)-2H-5-TETRAZOLIO]-1,3-BENZENE DISULFONATE;4-[3-(4-IODOPHENYL)-2-(2,4-DINITROPHENYL)-2H-5-TETRAZOLIO]-1,3-BENZENEDISULFONATE SODIUM SALT;IPB;3-(2,4-Dinitrophenyl)-5-(2,4-disulfophenyl)-2-(4-iodophenyl)-2H-tetrazolium Inner Salt Sodium Salt