ethyl 2-(4-chlorophenoxy)-3-oxopentanoate

6-ethyl-2-phenyl-1H-pyrimidin-4-one

ethyl 2-(cyanomethyl)-3-oxopentanoate

methyl 2-ethyl-4-phenylquinoline-3-carboxylate

ethyl 5-ethyl-1-phenylpyrazole-4-carboxylate