2-甲基-1,3-二氧戊环-2-丙酸

trimethylsilyl 3-(2-methyl-1,3-dioxolan-2-yl)propanoate

3-[1-(diethylamino)propylidene]-5-methylfuran-2-one

ethylene ketal of O,O-diethyl-4-oxo-pentanephosphonate

[1-Ethyl-3-(2-methyl-[1,3]dioxolan-2-yl)-propyl]-phosphonic acid diethyl ester