(4aS,5R,6R,8R,8aR)-8-Hydroxy-5-(2-hydroxy-ethyl)-5,6,8a-trimethyl-octahydro-naphthalen-1-one

(1aS,3S,3aS,7aR,7bS)-3,7a-dimethyl-3-(2-((triisopropylsilyl)oxy)ethyl)hexahydro-3H-spiro[naphtho[1,2-b]oxirene-7,2'-[1,3]dioxolan]-2(1aH)-one

(3R,4R,4aS,8aS)-3,4,8,8a-Tetramethyl-4-(2-triisopropylsilanyloxy-ethyl)-3,4,4a,5,6,8a-hexahydro-2H-naphthalen-1-one

(2R,3S,4S,4aS,8aS)-2-Hydroxy-3,4,8,8a-tetramethyl-4-(2-triisopropylsilanyloxy-ethyl)-3,4,4a,5,6,8a-hexahydro-2H-naphthalen-1-one

(4aS,5R,6R,8R,8aR)-8-Hydroxy-5,6,8a-trimethyl-5-(2-triisopropylsilanyloxy-ethyl)-octahydro-naphthalen-1-one