InChI=1S/C15H16Cl2O10/c1-3-4(13(21)22)10(25-2)6(17)11(5(3)16)26-15-9(20)7(18)8(19)12(27-15)14(23)24/h7-9,12,15,18-20H,1-2H3,(H,21,22)(H,23,24)