[(2R,4aR,6S,7R,9aS)-7-(tert-Butyl-dimethyl-silanyloxy)-7-methyl-2-phenyl-4a,6,7,9a-tetrahydro-4H-1,3,5-trioxa-benzocyclohepten-6-yl]-methanol

(2R,4aR,6S,7R,9aS)-6-(tert-Butyl-dimethyl-silanyloxymethyl)-2-phenyl-hexahydro-1,3,5-trioxa-benzocyclohepten-7-ol

(2R,4aR,6S,7R,9aS)-7-Methyl-2-phenyl-6-triethylsilanyloxymethyl-4a,6,7,9a-tetrahydro-4H-1,3,5-trioxa-benzocyclohepten-7-ol

tert-Butyl-[(2R,4aR,6S,7R,9aS)-6-(2,2-dibromo-vinyl)-7-methyl-2-phenyl-4a,6,7,9a-tetrahydro-4H-1,3,5-trioxa-benzocyclohepten-7-yloxy]-dimethyl-silane

tert-Butyl-[(2R,4aR,6S,7R,9aS)-6-((1Z,3Z)-hepta-1,3,6-trienyl)-7-methyl-2-phenyl-4a,6,7,9a-tetrahydro-4H-1,3,5-trioxa-benzocyclohepten-7-yloxy]-dimethyl-silane