12-acetoxy-9α,11-carbonyldioxydrim-7-ene

9α,11-carbonyldioxydrim-7-ene-6β,12-diol

6β,12-bis(tert-butyldimethylsilyloxy)-9α,11-carbonyldioxydrim-7-ene

(1S,4aS,8aS)-5,5,8a-trimethyl-2'-oxo-4a,5,6,7,8,8a-hexahydro-4H-spiro[naphthalene-1,4'-[1,3]dioxolane]-2-carbaldehyde

(1S,4R,4aS,8aS)-4-(tert-Butyl-dimethyl-silanyloxy)-1,2-bis-hydroxymethyl-5,5,8a-trimethyl-1,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-ol