(4aS,8aS)-8a-((methoxymethoxy)methyl)-5,5-dimethyloctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane]

(4aS,8aS)-(-)-3,4,4a,5,6,7,8,8a-octahydro-8a-methoxymethoxymethyl-5,5-dimethylnaphthalen-1(2H)-one

(4aS,8aS)-(+)3,4,4a,7,8,8a-hexahydro-8a-methoxymethoxymethyl-5,5-dimethylnaphthalene-1,6(2H,5H)-dione 1-ethylene acetal

(4bR,8aS,10aS)-(-)-1,4b,5,6,7,8,8a,9,10,10a-decahydro-4b-methoxymethoxymethyl-8,8-dimethylphenanthren-3(2H)-one

(2S,4aS,8aS)-(-)-3,4,4a,5,6,7,8,8a-octahydro-8a-methoxymethoxymethyl-5,5-dimethyl-2-(3-oxobutyl)naphthalen-1(2H)-one