nitroblueformazan ;NITRO BLUE TETRAZOLIUM FORMAZAN;p-Nitro blue tetrazolium, diformazan p-NBT, diformazan;p-Nitro blue tetrazolium diformazane ;p-Nitrobluediformazane;P-NITRO BLUE TETRAZOLIUM, DIFORMAZAN P-NBT;3,3'-Dimethoxy-4,4'-bis[α-(4-nitrophenylhydrazono)benzylazo]biphenyl;NBTDF