InChI=1S/C22H19ClO10/c1-7(6-24)5-10(25)11-9(3)17-20(16(27)19(11)31-4)33-22(30)12-8(2)14(23)15(26)13(21(28)29)18(12)32-17/h5,24,26-27H,6H2,1-4H3,(H,28,29)