4-ethoxymalonanilic acid ethyl ester

Propanoic acid, 3-[(2-methoxyphenyl)amino]-3-oxo-, ethyl ester

ethyl 3-(2-hydroxyanilino)-3-oxopropanoate

4-[(3-ethoxy-1,3-dioxopropyl)amino]-benzoic acid

2-carboxymalonanilic acid ethyl ester