(E)-3-((1R,3aR,4R,7S,7aS,8S)-1-Benzyloxy-4-methoxymethoxy-7,8-dimethyl-6-oxo-octahydro-4,7-ethano-inden-3a-yl)-but-2-enal

(3R,3aS,4S,7R,7aR,9S)-3-Benzyloxy-7-methoxymethoxy-4,9-dimethyl-7a-((E)-1-methyl-3-oxo-but-1-enyl)-octahydro-4,7-ethano-inden-5-one

rac-(3R,3aS,4S,5S,6aR,7S,10R,10aS)-3-(benzyloxy)-6a-hydroxy-4,5,8,10-tetramethyl-1,2,3,3a,4,5,6,6a,7,10-decahydro-4,7-methanocyclopenta[d]naphthalen-11-one

rac-(3R,3aS,4S,5S,6aR,7S,9R,10S,10aS)-3-(benzyloxy)-6a,9-dihydroxy-4,5,10-trimethyl-8-methylenedodecahydro-4,7-methanocyclopenta[d]naphthalen-11-one

(1R,2R,3S,6S,7R,8S,9S,12R,14R)-9-Benzyloxy-3-methoxymethoxy-2,7,14-trimethyl-4-methylene-tricyclo[5.4.3.01,8]tetradecane-6,12-diol