(4aS,6R,7S,7aR,11R,2'S,3a'R,6a'S)-7-(hexahydrofuro[2,3-b]furan-2'-yl)-3,3,6,7-tetramethyloctahydro-11-vinylnaphtho[1,8a-d][1,3]dioxine

(+/-)-2-methoxyhexahydrofuro[2,3-b]furan

(+/-)-cis,trans-(2-methoxytetrahydrofuran-3-yl)acetonitrile

(3R,4S,4aS,8R,8aS,2'S,3a'R,6a'S)-8a-(tert-butyldimethylsilanyloxymethyl)-4-(hexahydrofuro[2,3-b]furan-2'-yl)-3,4-dimethyloctahydro-8-vinylnaphthalen-1-one

(+/-)-cis,trans-toluene-4-sulfonic acid (2-methoxytetrahydrofuran-3-yl)methyl ester

(3R,4S,4aR,2'S,3a'R,6a'S)-3,4,4a,5,6,7-hexahydro-4-(hexahydrofuro[2,3-b]furan-2'-yl)-3,4-dimethyl-2H-naphthalen-1-one

(+/-)-tetrahydrofuro[2,3-b]furan-2-one

(3S,4S,5R,2'S,3a'R,6a'S)-3-[3-([1,3]dioxolan-2-yl)propyl]-4-(hexahydrofuro[2,3-b]furan-2'-yl)-4,5-dimethylcyclohexanone

(5R,6R,2'S,3a'R,6a'S)-6-(hexahydrofuro[2,3-b]furan-2'-yl)-5,6-dimethylcyclohex-2-enone

(2R,3R,5R)-2-[(2R,3aS,6aR)-2,3,3a,4,5,6a-hexahydrofluoro[2,3-b]furan-2-yl]-5-isopropenyl-2,3-dimethylcyclohexanone

(3R,4S,4aR,8R,8aS)-4-(2S,3aR,6aS)-Hexahydro-furo[2,3-b]furan-2-yl-8a-hydroxymethyl-3,4-dimethyl-8-vinyl-octahydro-naphthalen-1-one

(3R,5R)-(5-isopropenyl-2,3-dimethylcyclohex-1-enyloxy)trimethylsilane