100443-97-8 120600-42-2 123989-01-5 128034-95-7 13146-93-5 16506-28-8 2-(4,5-Dimethyl-2-thiazolyl)-3,5-diphenyl-2H-tetrazolium 298-93-1 2H-Tetrazolium, 2-(4,5-dimethyl-2-thiazolyl)-3,5-diphenyl- 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium