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

(4S,5S)-4-Hydroxymethyl-5-methyl-2-cyclohexen-1-one

(4S,5S)-4-<(tert-Butyldimethylsilyloxy)methyl>-5-methyl-2-cyclohexen-1-one