邻苯二甲醛

4-hydroxyphthalaldehyde

6,7-dihydro-4H-2-benzofuran-5-one

3-(5-Oxo-4,5,6,7-tetrahydro-isobenzofuran-4-yl)-propionic acid methyl ester

6-(3-butenyl)-4,5,7,8,9,9a-hexahydro-9a-methyl-7-naphtho<1,2-c>furanone