4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-heptadecafluoroundecan-2-one

4-(diethylamino)-4-phenylbutan-2-one

4-methyl-6-phenylhex-5-en-2-one

4-phenylhept-5-en-2-one

ethyl 4-(2-oxopropyl)-4H-pyridine-1-carboxylate