Ethyl 2,3-di-O-benzoyl-4-O-benzyl-6-O-tert-butyldiphenylsilyl-1-thio-α-D-glucopyranoside

8-Methoxycarbonyloctyl 2,6-di-O-benzoyl-4-O-benzyl-3-O-chloroacetyl-β-D-glucopyranoside