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