2,5,5-trimethylhepta-1,6-dien-4-one

5-(3-methylbut-2-enoxy)-1,3-benzodioxole

(2,2-dimethyl-3,4-dihydrochromen-6-yl)-phenylmethanone

6-iodo-2-methylhex-2-ene

1,1-dibromo-4-methylpenta-1,3-diene