53815-04-6 Butanamide, 2,2'-((3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(4-chloro-2-methylphenyl)-3-oxo- Butanamide, 2,2'-(3,3'-dichloro-(1,1'-bisphenyl)-4,4'-diyl)bis(azo)bis(N-(4-chloro-2-methylphenyl)-3-oxo-