71455-79-3 Butanoic acid, 4-((4-methoxyphenyl)(2-((4-methoxyphenyl)(3-(trifluoromethyl)benzoyl)amino)-1-oxopropyl)amino)- N-(N-(p-Trifluoromethylbenzoyl)-2-(p-anisidino)propionyl)-4-(p-anisidino)butyric acid