7a-iodomethyl-5,6,7,7a-tetrahydro-4H-benzofuran-2-one

(Z)-2-(2-methylenecyclohexylidene)ethan-1-ol

1,4,5,6,7,8-hexahydroisochromen-3-one

(Z)-2-(2-methylenecyclohexylidene)acetic acid

2,2-dibutyl-1,3-dioxolane