InChI=1S/C15H16Cl2O11/c1-26-10-4(13(22)23)3(2-18)5(16)11(6(10)17)27-15-9(21)7(19)8(20)12(28-15)14(24)25/h7-9,12,15,18-21H,2H2,1H3,(H,22,23)(H,24,25)