(3aR,4S,5S,6aS)-4-((S)-5-methoxyheptyl)-5',5'-dimethylhexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5-ol

methyl (3aR,4R,6aS)-4-((S)-5-methoxyheptyl)-5',5'-dimethyl-5-oxohexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxane]-4-carboxylate

methyl (3aR,4R,6aS)-4-((S,E)-5-methoxyhept-2-en-1-yl)-5',5'-dimethyl-5-oxohexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxane]-4-carboxylate

O-((3aR,4S,5S,6aS)-4-((S)-5-methoxyheptyl)-5',5'-dimethylhexahydro-1H-spiro[pentalene-2,2'-[1,3]dioxan]-5-yl) O-phenyl carbonothioate

(S)-1,3-pentanediol 3-(2-tetrahydropyranyl) ether