1-((3aR,12aS)-(5E,9E)-3a,6,10-trimethyl-3,3a,4,7,8,11,12,12a-octahydrocyclopenta[a]cycloundecen-1-yl)ethanone

Acetic acid (1S,2S,4R,5R,6R)-5-benzyloxymethyl-4-hydroxy-6-hydroxymethyl-5-methyl-bicyclo[2.2.1]hept-2-yl ester

[(1R,2R,5S)-2-Benzyloxymethyl-2-methyl-5-(2-methyl-[1,3]dioxolan-2-yl)-cyclopent-3-enyl]-methanol

[(1R,2R,3R,4S,5S)-5-(tert-Butyl-dimethyl-silanyloxy)-3-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-1-methoxymethoxy-2-methyl-bicyclo[2.2.1]hept-2-yl]-methanol

(1R,2S,3R,4S,5S)-3-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-5-hydroxy-1-methoxymethoxy-2-methyl-bicyclo[2.2.1]heptane-2-carboxylic acid ethyl ester

[(1R,4S,5R)-5-[(E)-5-((tert-butyldimethylsilanyl)oxy)-3-methyl-3-pentenyl]-1-methyl-4-(2-methyl-1,3-dioxolan-2-yl)-2-cyclopentenyl]methanol

((1R,2R,5S)-2-(benzyloxy)methyl-2-methyl-5-(2-methyl-1,3-dioxolan-2-yl)cyclopent-3-enyl)methyl acetate

[(1S,2S,4R,5R,6R)-5-benzyloxymethyl-6-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-methoxymethoxy-5-methylbicyclo[2.2.1]hept-2-yloxy]-tert-butyldimethylsilane