{(2R,3S,5R,6S)-5-Benzyloxy-6-benzyloxymethyl-3-[(2R,4aR,5aS,8R,9S,10aR,11aS)-2-(4-methoxy-phenyl)-9-vinyl-decahydro-1,3,5,10-tetraoxa-cyclohepta[b]naphthalen-8-yloxy]-tetrahydro-pyran-2-yl}-methanol

(4aR,5aS,7R,8S,9aR,10aS)-8-(2-((2R,3S,5R,6S)-5-(benzyloxy)-6-((benzyloxy)methyl)-3-((4-methoxybenzyl)oxy)tetrahydro-2H-pyran-2-yl)ethyl)-2,2-di-tert-butyloctahydro-4H-pyrano[2',3':5,6]pyrano[3,2-d][1,3,2]dioxasilin-7-ol