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