4-methylcyclohex-3-ene-1-carbonyl chloride

异戊二烯

7-methylocta-1,6-dien-3-one

5-methyl-1-(4-((trimethylsilyl)methyl)cyclohex-3-en-1-yl)hex-4-en-1-one

1,5-Dimethyl-8-oxatricyclo[3.2.1.02.7]octan-6-one