12236-72-5 2',4'-Acetoacetoxylidide, 2,2''-((2,2',5,5'-tetrachloro-4,4'-biphenylene)bis(azo))bis- 2,2'-((2,2',5,5'-Tetrachloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(2,4-dimethylphenyl)-3-oxobutyramide) 22094-93-5 Butanamide, 2,2'-((2,2',5,5'-tetrachloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(2,4-dimethylphenyl)-3-oxo- EINECS 244-776-0