6,6-diacetoxy-2,3-dimethyl-cyclohexa-2,4-dienone

1-bromo-2-(tosyloxy)-3,4-dimethylbenzene

5,8-dihydro-2,3,6,7-tetramethylnaphthalene

6-[(Z)-2-(diethylcarbamoyl)vinyl]-2,3-dimethylphenyl acetate