39630-04-1 5-22-06-00042 (Beilstein Handbook Reference) BRN 0449804 Benzoic acid, 2-(((5-oxo-1-phenyl-3-pyrrolidinyl)carbonyl)amino)-, methyl ester N-(o-Carboxyphenyl)-2-oxo-1-phenyl-4-pyrrolidinecarboxamide