乙酰丙酮化钠

3-[1-methyl-2-nitro-2-(phenylthio)ethyl]-2,4-pentanedione

4-acetyl-2,3-dihydro-3β,5-dimethyl-2α-(phenylthio)furan

1-(2-methoxy-2-methyl-4-methylenetetrahydrofuran-3-yl)ethanone

(Z)-4-methoxypent-3-en-2-one