2904-04-3 Butanamide, N-(4-chloro-2,5-dimethoxyphenyl)-2-((4-chloro-2-methylphenyl)azo)-3-oxo- EINECS 220-802-6 N-(4-Chloro-2,5-dimethoxyphenyl)-2-((4-chloro-o-tolyl)azo)-3-oxobutyramide