3-hydroxycarbonylphenyl N-benzyl-2-methoxymalonamate

3-[2-(N-methyl-benzylaminocarbonyl)-ethanoyl]-oxybenzoic acid

3-carboxylphenyl 1-benzyl-2-oxo-pyrrolidine-3-carboxylate

3-carboxylphenyl N-benzyl-2-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate

3-(2-benzylcarbamoyl-propionyloxy)-benzoic acid