4-氧代戊酸异丙酯

[(2S)-5-oxo-2H-pyran-2-yl] acetate

(5-苯基-2-呋喃基)甲醇

4-氧代戊酸戊酯

4,7,12,14-tetraoxadispiro[4.2.4⁸.2⁵]tetradecane