对甲酚

3-(1-phenylethenyl)-1,2,5-trioxaspiro[5.5]undecan-9-one

8-hydroxy-3,3,8-trimethyl-1,4-dioxaspiro[4.5]decan-2-one

4-hydroxy-4-methyl-2-Cyclohexen-1-one

6'-methylspiro<1,3-dioxolan-2,3'<7>oxabicyclo<4,1,0>heptane>