methyl 2-O-benzoyl-3,4-di-O-benzyl-6-O-(4-chlorobenzyl)-β-D-glucopyranoside

methyl 3,4-di-O-benzyl-2-O-levulinoyl-6-O-{2-[dimethyl(2-naphthylmethyl)silyl]ethoxycarbonyl}-β-D-glucopyranoside