(1S,4aS,5R,6R)-(-)-1,2,3,4,4a,5,6,7-octahydro-5-[2-(t-butyldiphenylsiloxy)ethyl]-1-(3-hydroxypropyl)-1,5,6-trimethylnaphthalene

(4aS,5R,6R,8S,8aS)-(-)-3,4,4a,5,6,7,8,8a-octahydro-5-(2-t-butyldiphenylsiloxyethyl)-5,6,8a-trimethyl-8-trimethylsilylnaphthalen-1(2H)-one

(1S,4aS,5R,6R)-(-)-1,2,3,4,4a,5,6,7-octahydro-5-[2-(t-butyldiphenylsiloxy)ethyl]-1-(4-methyl-4-pentenyl)-1,5,6-trimethylnaphthalene

(1S,4aS,5R,6R,8S,8aS)-1-Allyl-5-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-5,6,8a-trimethyl-8-trimethylsilanyl-decahydro-naphthalen-1-ol

(1S,4aS,5R,6R,8S,8aS)-5-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-1-(3-hydroxy-propyl)-5,6,8a-trimethyl-8-trimethylsilanyl-decahydro-naphthalen-1-ol