[(2R,3S,4aR,6S,7R,9R,9aS)-3,9-Bis-benzyloxy-2-benzyloxymethyl-7-((2R,3S)-2-methoxymethoxymethyl-tetrahydro-pyran-3-yloxy)-9a-methyl-octahydro-1,5-dioxa-benzocyclohepten-6-yl]-acetic acid methyl ester

Trifluoro-methanesulfonic acid (2R,3S)-3-((2R,3S,4aR,6S,7R,9R,9aS)-6-allyl-3,9-bis-benzyloxy-2-benzyloxymethyl-9a-methyl-octahydro-1,5-dioxa-benzocyclohepten-7-yloxy)-tetrahydro-pyran-2-ylmethyl ester