(4aS,5S,8aS)-5,8a-Dimethyl-6-methylene-5-(2,3,5,6-tetramethoxy-benzyl)-octahydro-naphthalen-1-one

((1R,2S,4aS,8aS)-1,2,4a,5-Tetramethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl)-acetaldehyde

(4aS,5S,6R,8aS)-5,8a-dimethyl-6-hydroxy-5-(3-hydroxypropyl)decahydronaphthalen-1-one 1-ethylene acetal

(Z)-(1R,4aS,5S,6R,8aS)-5-(3-tert-butyldimethylsilyloxypropyl)-5,8a-dimethyl-2-(1-ethoxyethyl)oxymethylene-6-(triethylsilyloxy)decahydronaphthalen-1-ol

(Z)-(4aS,5S,6R,8aS)-5-(3-tert-butyldimethylsilyloxypropyl)-5,8a-dimethyl-2-(1-ethoxyethyl)oxymethylene-6-(triethylsilyloxy)decahydronaphthalen-1-one