InChI=1S/C15H16Cl2O11/c1-26-11-4(3(2-18)5(16)7(19)6(11)17)14(25)28-15-10(22)8(20)9(21)12(27-15)13(23)24/h8-10,12,15,18-22H,2H2,1H3,(H,23,24)