(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

(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

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

(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

((4aS,6R,7S,7aR,11S,11aR)-7-(2S,3aR,6aS)-Hexahydro-furo[2,3-b]furan-2-yl-3,3,6,7-tetramethyl-octahydro-naphtho[1,8a-d][1,3]dioxin-11-yl)-methanol