71455-65-7 Butanoic acid, 4-((4-((4-chlorobenzoyl)(2,6-dimethylphenyl)amino)-1-oxobutyl)(4-methoxyphenyl)amino)- N-(N-(p-Chlorobenzoyl)-4-(2,6-dimethylanilino)butyryl)-4-(p-anisidino)butyric acid