71455-67-9 Butanoic acid, 4-((4-((4-chlorobenzoyl)(4-methoxyphenyl)amino)-1-oxobutyl)(2,6-dimethylphenyl)amino)- N-(N-(p-Chlorobenzoyl)-4-(p-anisidino)butyryl)-4-(2,6-dimethylanilino)butyric acid