| butanoic acid, 4-((2-(acetyl(4-methoxyphenyl)amino)-1-oxopropyl)(4-methoxypheny |
| 4-((2-(acetyl(4-methoxyphenyl)amino)-1-oxopropyl)(4-methoxyphenyl)amino) buta |
| n-(n-acetyl-2-(p-anisidino)propionyl)-4-(p-anisidino)butyric acid |
| 4-((2-(acetyl(4-methoxyphenyl)amino)-1-oxopropyl)(4-methoxyphenyl)amino)-butanoic aci |
