InChI=1S/C22H22O13/c1-7-12(24)11(15(27)16(28)13(7)25)14(26)10(23)6-8-2-4-9(5-3-8)34-22-19(31)17(29)18(30)20(35-22)21(32)33/h2-5,17-20,22,24-25,27-31H,6H2,1H3,(H,32,33)