Similar names: [1,1'-Biphenyl]-4,4'-diamine, 3,3',5,5'-tetramethyl- (9CI, ACI); 3,3',5,5'-Tetramethyl[1,1'-biphenyl]-4,4'-diamine (ACI); Benzidine, 3,3',5,5'-tetramethyl- (6CI); 3,3',5,5'-Tetramehylbenzidine; 3,3',5,5'-Tetramethyl-4,4'-diaminobiphenyl; 3,3',5,5'-Tetramethylbenzidine; 3,3',5,5'-Tetramethylbiphenyl-4,4'-diamine; 3,5,3',5'-Tetramethylbenzidine; 4,4'-Diamino-3,3',5,5'-tetramethyl-1,1'-biphenyl; BM blue; ColorBurst Blue; Enhanced K-Blue; K-Blue; K-Blue Max; Sure Blue TMB; TMB; TMB Blotting Plus; TMB substrate