1 State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, nanjing University, Hankou Road, Nanjing 210093, People's Republic of China.
In the title compound, C(19)H(20)Cl(2)O(10), the hexopyranosyl ring adopts a chair conformation. The four substituents are in equatorial positions. The mol-ecules arelinked via C-H⋯O contacts along the a axis.