4-bromo-3-chloro-1,2-dibenzyloxy-5-(tert-butyldimethylsilyloxy)benzene

(4aS,6aS,12aR,12bS)-2H-11-chloro-1,3,4,4a,5,6,6a,12,12a,12b-decahydro-4,4,6a,12b-tetramethyl-benzo[a]xanthene-9,10-diol

(4aS,6aS,12bS)-2H-9,10-dibenzyloxy-11-chloro-1,3,4,4a,5,6,6a,12b-octahydro-4,4,6a,12b-tetramethyl-benzo[a]xanthene

(4aS,6aR,12bS)-2H-9,10-dibenzyloxy-11-chloro-1,3,4,4a,5,6,6a,12b-octahydro-4,4,6a,12b-tetramethyl-benzo[a]xanthene

(1S,4aS,8aS)-1-[(3,4-dibenzyloxy-2-chloro-6-hydroxyphenyl)-hydroxymethyl]-1,4,4a,5,6,7,8,8a-octahydro-2,5,5,8a-tetramethylnaphthalene