InChI=1S/C22H22O12/c1-32-18-13(25)11(10(23)8-7-9-5-3-2-4-6-9)12(24)15(27)19(18)33-22-17(29)14(26)16(28)20(34-22)21(30)31/h2-8,14,16-17,20,22,24-29H,1H3,(H,30,31)