106395-83-9 15836-39-2 25292-51-7 2H-Tetrazolium, 2,2'-(3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(5-(4-(aminothioxomethyl)phenyl)-3-(4-nitrophenyl)-, dichloride 3,3'-(3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(5-(4-(aminothioxomethyl)phenyl)-2-(p-nitrophenyl)-2H-tetrazolium) dichloride 36889-43-7 66516-87-8 EINECS 253-257-8 Thiocarbamyl nitro blue tetrazolium