methyl (1R,4aS,8aS)-5,5,8a-trimethyl-1-(3,4,5-trihydroxy-3-methylpentyl)-1,4,4a,5,6,7,8,8a-octahydronaphthalene-2-carboxylate

dimethyl 14,15,16-trinor-7-labdene-13,17-dioate

(1R,4aS,8aS)-5,5,8a-Trimethyl-1-(3-trimethylsilanyloxy-but-3-enyl)-1,4,4a,5,6,7,8,8a-octahydro-naphthalene-2-carboxylic acid methyl ester

14,15,16-trinor-labdane-13,17-dial

14,15,16-trinor-labdane-13,17-diol