(1S,2R,4S,4aS,5S,6R,8aR)-6-Benzyloxy-5-benzyloxymethyl-1-(tert-butyl-dimethyl-silanyloxymethyl)-2,4-dihydroxy-4a-(2-trimethylsilanyl-ethoxymethoxymethyl)-decahydro-naphthalene-1-carboxylic acid methyl ester

(1S,4aR,5S,6R,8aR)-6-Benzyloxy-5-benzyloxymethyl-1-(tert-butyl-dimethyl-silanyloxymethyl)-2-oxo-4a-(2-trimethylsilanyl-ethoxymethoxymethyl)-1,2,4a,5,6,7,8,8a-octahydro-naphthalene-1-carboxylic acid methyl ester

(1S,4S,4aS,5S,6R,8aR)-6-Benzyloxy-5-benzyloxymethyl-1-(tert-butyl-dimethyl-silanyloxymethyl)-4-hydroxy-2-oxo-4a-(2-trimethylsilanyl-ethoxymethoxymethyl)-decahydro-naphthalene-1-carboxylic acid methyl ester

(1aR,3S,3aR,6R,7S,7aS,7bR)-6-Benzyloxy-7-benzyloxymethyl-3-(tert-butyl-dimethyl-silanyloxymethyl)-2-oxo-7a-(2-trimethylsilanyl-ethoxymethoxymethyl)-decahydro-1-oxa-cyclopropa[a]naphthalene-3-carboxylic acid methyl ester

(1S,2R,4S,4aS,5S,6R,8aR)-2,4-Diacetoxy-1-acetoxymethyl-6-hydroxy-5-triethylsilanyloxymethyl-4a-(2-trimethylsilanyl-ethoxymethoxymethyl)-decahydro-naphthalene-1-carboxylic acid methyl ester