4-((4aR,5aS,6aR,8S,9R,10aS,11aR,13aS)-9-Hydroxy-2,2,9,10a-tetramethyl-dodecahydro-1,3,5,7,11-pentaoxa-benzo[4,5]cyclohepta[1,2-b]naphthalen-8-yl)-butyric acid

1-((4aR,5aS,7R,8S,9aR,11aS)-7-Hydroxy-2,2,8-trimethyl-decahydro-1,3,5,9-tetraoxa-dibenzo[a,d]cyclohepten-8-yl)-propan-2-one

(2S,3R,4aS,6R,7S,9aR)-3-(tert-Butyl-dimethyl-silanyloxy)-6-hydroxymethyl-2-methyl-2-vinyl-octahydro-1,5-dioxa-benzocyclohepten-7-ol