| butanoic acid, 4-(((acetyl(4-methoxyphenyl)amino)acetyl)(4-methoxyphenyl)amino) |
| 4-(((acetyl(4-methoxyphenyl)amino)acetyl)(4-methoxyphenyl)amino)butanoic acid |
| n-(n-acetyl-2-(p-anisidino)acetyl)-4-(p-anisidino)butyric acid |
| 4-(((acetyl(4-methoxyphenyl)amino)acetyl)(4-methoxyphenyl)amino)-butanoic aci |
