3,3'-(3,3'-DIMETHOXY-4,4'-BIPHENYLENE)BIS[2-(3-NITROPHENYL)-5-PHENYL-2H-TETRAZOLIUM CHLORIDE];3-NITROTETRAZOLIUM BLUE CHLORIDE;M-NBT;M-NITRO BLUE TETRAZOLIUM CHLORIDE;M-NITROTETRAZOLIUM BLUE;3,3′-(3,3′-Dimethoxy-4,4′-biphenylene)bis[5-(3-nitrophenyl)-2-phenyl-2H-tetrazolium chloride]