(1,1'-Biphenyl)-4,4'-diamine, 3,3',5-trichloro- (9CI) 3,3',5-Trichloro-(1,1'-biphenyl)-4,4'-diamine 3,3',5-Trichlorobenzidine 3,5,3'-Trichlorobenzidine 63390-12-5 BRN 2857512 Benzidine, 3,3',5-trichloro- CCRIS 1984