(1S,2R,4aS,6S,8aR)-6-(tert-Butyl-diphenyl-silanyloxy)-1-hydroxymethyl-8a-(2-trimethylsilanyl-ethoxymethoxymethyl)-decahydro-naphthalen-2-ol

(4aS,6S,8aR)-6-(tert-Butyl-diphenyl-silanyloxy)-8a-(2-trimethylsilanyl-ethoxymethoxymethyl)-3,4,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylic acid methyl ester

(S)-3,4,8,8a-tetrahydro-8a-(hydroxymethyl)-1,6-(2H,7H)-naphthalenedione-1-ethylene acetal

(4aS,8aS)-8a-(((2-(trimethylsilyl)ethoxy)methoxy)methyl)hexahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6(5H)-one

(4aS,6S,8aS)-8a-(((2-(trimethylsilyl)ethoxy)methoxy)methyl)octahydro-2H-spiro[naphthalene-1,2'-[1,3]dioxolan]-6-ol