2-[2-(1,4-Dioxa-spiro[4.5]dec-6-yl)-ethyl]-6-methyl-pyran-4-thione

2-(2-(3-(phenylthio)cyclohex-2-en-1-ylidene)ethyl)cyclohexan-1-one

(E)-4-(methylthio)-8-(1,4-dioxaspiro[4.5]decan-6-yl)oct-4-ene-2,6-dione

8-(1,4-Dioxa-spiro[4.5]dec-6-yl)-octane-2,6-dione

(1,4,5,6,7,8-hexahydro-[2]naphthyl)-methyl ether