(2R,3S,4aR,5aS,8R,9S,10aR,11aS)-8-Benzyloxy-9-(3-benzyloxy-propyl)-3-(4-methoxy-benzyloxy)-2,9-dimethyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalene

(3S,4aR,5aS,8R,9S,10aR,11aS)-8-Benzyloxy-9-(3-benzyloxy-propyl)-3-(4-methoxy-benzyloxy)-9-methyl-2-methylene-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalene

(4aR,5aS,6aR,8S,9R,11aS,12aR,13aS)-9-Benzyloxy-8-(3-benzyloxy-propyl)-2-(4-methoxy-phenyl)-8-methyl-dodecahydro-1,3,5,7,12-pentaoxa-cyclohepta[b]anthracene

(2S,3S,4aR,5aS,8R,9S,10aR,11aS)-8-Benzyloxy-9-(3-benzyloxy-propyl)-2-iodomethyl-3-(4-methoxy-benzyloxy)-9-methyl-dodecahydro-1,5,10-trioxa-cyclohepta[b]naphthalene