6-ethoxycarbonyl-2-oxo-1H-pyridine-3-carboxylate

diethyl 6-oxo-1H-pyridine-2,5-dicarboxylate

3-ethoxy-2-(trifluoromethyl)propionic acid ethyl ester

ethyl 2-(trifluoromethyl)prop-2-enoate

N,N'-dimethyl-2-oxo-N,N'-diphenylpropanediamide