Ethyl 2-oxo-5-phenyl-2,3-dihydro-1H-imidazole-4-carboxylate

3-acetyloxy-4-ethoxy-4-oxobutanoate

4-nitro-1,4-diphenylbutan-1-one

2-pentylquinoline

diethyl 3-(2-oxopropyl)pentanedioate