methyl 2,3,6-tri-O-benzyl-4-O-(2,3-di-O-methyl-5-C-vinyl-β-D-glucopyranosyl)-α-D-glucopyranoside

(2R,3S,4S,5R,6R)-6-((2R,3R,4S,5R,6S)-4,5-Bis-benzyloxy-2-benzyloxymethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-2-hydroxymethyl-4-methoxy-2-vinyl-tetrahydro-pyran-3,5-diol