InChI=1S/C15H16Cl2O10/c1-3-4(11(25-2)6(17)7(18)5(3)16)14(24)27-15-10(21)8(19)9(20)12(26-15)13(22)23/h8-10,12,15,18-21H,1-2H3,(H,22,23)