(1SR,2SR,8SR,8aRS)-1-<<(methylsulfonyl)oxy>methyl>-8-<(2-methoxyethoxy)methoxy>-2-methyl-1,2,6,7,8,8a-hexahydronaphthalene

(7R,8R,8aS)-8-(tert-Butyl-dimethyl-silanyloxymethyl)-7-methyl-3,7,8,8a-tetrahydro-2H-naphthalen-1-one

(1SR,2SR,4SR,8aRS)-1-<<(tert-butyldimethylsilyl)oxy>methyl>-8-(1,3-dithian-2-yl)-4-hydroxy-2-methyl-1,2,3,4,6,7,8,8a-octahydronaphthalene

(1SR,2SR,8SR,8aRS)-1-<<(tert-butyldimethylsilyl)oxy>methyl>-8-<(2-methoxyethoxy)methoxy>-2-methyl-1,2,6,7,8,8a-hexahydronaphthalene

(1SR,2SR,8aRS)-1-<<(tert-butyldimethylsilyl)oxy>methyl>-8-(1,3-dithian-2-yl)-2-methyl-1,2,6,7,8,8a-hexahydronaphthalene

<(2,4,6-triisopropylphenyl)sulfonyl>hydrazone of (1SR,2SR,8aRS)-8-(1,3-dithian-2-yl)-1-(hydroxymethyl)-2-methyl-4-oxo-1,2,3,4,6,7,8,8a-octahydronaphthalene