2-((2S,3R,4aS,5aR,6aS,8R,9S,10aR,11aS,13aR)-3,9-bis((tert-butyldimethylsilyl)oxy)-4a,8-dimethyltetradecahydro-2H-pyrano[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-2-yl)acetaldehyde

(2R,4aR,6S,7R,9aS)-6-[(2R,3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-ylmethyl]-2-phenyl-hexahydro-1,3,5-trioxa-benzocyclohepten-7-ol

(2R,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-2-[(2R,4aR,6S,7R,9aS)-7-(4-methoxy-benzyloxy)-2-phenyl-hexahydro-1,3,5-trioxa-benzocyclohepten-6-ylmethyl]-dihydro-pyran-3-one

(2R,3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-2-[(2R,4aR,6S,7R,9aS)-7-(4-methoxy-benzyloxy)-2-phenyl-hexahydro-1,3,5-trioxa-benzocyclohepten-6-ylmethyl]-tetrahydro-pyran-3-ol

{(2R,3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-2-[(2R,4aR,6S,7R,9aS)-7-(4-methoxy-benzyloxy)-2-phenyl-hexahydro-1,3,5-trioxa-benzocyclohepten-6-ylmethyl]-tetrahydro-pyran-3-yloxy}-tert-butyl-dimethyl-silane