4-hydroperoxy-4-methylcyclohex-2-en-1-one

2-butyl-4-methylcyclohex-2-enone

3,3-dimethoxy-6-methyl-7-abicyclo<4,1,0>heptane

4-(Carboethoxy)-1-methoxy-5-methyltricyclo<5.1.0.03,5>octane

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