(4aR,5R,6R,8aR)-3,4,4a,5,6,7,8,8a-octahydro-5,6,8a-trimethyl-5-(2'-triisopropylsiloxyethyl)naphthalen-1(2H)-one ethylene ketal

tert-butyl((R)-2-((4aR,5R,8aR)-5,8a-dimethyl-6-methyleneoctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)-1-(furan-3-yl)ethoxy)dimethylsilane

(S)-2-((4aR,5R,8aR)-5,8a-dimethyl-6-methyleneoctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)-1-(furan-3-yl)ethan-1-ol

(R)-2-((4aR,5R,8aR)-5,8a-dimethyl-6-methyleneoctahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-5-yl)-1-(furan-3-yl)ethan-1-ol

(4aR,5R,6S,8aR)-5,8a-dimethyl-5-(2-((triisopropylsilyl)oxy)ethyl)octahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolane]-6-carbaldehyde