Synonyms: 2,5-Diphenyl-3-(p-styrylphenyl)-2H-tetrazoliumchloride (7CI); 2H-Tetrazolium, 2,5-diphenyl-3-(p-styrylphenyl)-, chloride(8CI); 2H-Tetrazolium, 2,5-diphenyl-3-[4-(2-phenylethenyl)phenyl]-, chloride(9CI); Diphenyl-3-p-styrylphenyl-2H-tetrazolium chloride (6CI);2,5-Diphenyl-3-(4-styrylphenyl)tetrazolium chloride