6-羟基-1,4-苯并二恶烷6-乙酸酯

17-(4-methyl-2,5-dioxofuran-3-yl)heptadecyl acetate

卡瓦胡椒

(2-pent-4-enoylcyclohexen-1-yl) acetate

Acetic acid 1-[2-oxo-cyclopent-(Z)-ylidene]-pent-4-enyl ester