43035-67-2 Butanamide, 2,2'-((5,5'-dichloro-2,2'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(2,4-dimethylphenyl)-3-oxo- Butanamide, 2,2'-((5,5'-dichloro-2,2'-dimethoxy-(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(2,4-dimethylphenyl)-3-oxo-