Synonyms: 2H-Tetrazolium,2,2'-(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[5-[4-(aminothioxomethyl)phenyl]-3-(4-nitrophenyl)-,dichloride (9CI); 2H-Tetrazolium,3,3'-(3,3'-dimethoxy-4,4'-biphenylylene)bis[2-(p-nitrophenyl)-5-[p-(thiocarbamoyl)phenyl]-,dichloride (8CI); TC-NBT; Thiocarbamoyl nitroblue tetrazolium; Thiocarbamylnitro-BT; Thiocarbamyl nitroblue tetrazolium