Synonyms: 2H-Tetrazolium,2,2'-(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis[3-(4-nitrophenyl)-5-phenyl-,dichloride (9CI);Tetrazolium,3,3'-(3,3'-dimethoxy-4,4'-biphenylylene)bis[2-(p-nitrophenyl)-5-phenyl-2H-chloride](6CI);2,2'-Bis(p-nitrophenyl)-5,5'-diphenyl-3,3'-(3,3'-dimethoxy-4,4'-diphenylene)ditetrazoliumchloride;2,2'-Dinitrophenyl-5,5'-diphenyl-3,3'-dimethoxy-4,4'-diphenylene)ditetrazoliumchloride;3,3'-(3,3'-Dimethoxy-4,4'-diphenylene)bis[2-(p-nitrophenyl)-5-phenyltetrazoliumchloride];Nitro BT;Nitro Blue Tetrazolium chloride;Nitro Tetrazolium BT;Nitrotetrazolium blue;Tetrazolium nitro blue;p-Nitro blue tetrazolium;