InChI=1S/C22H22O12/c1-30-15-4-8-3-13(32-12(8)7-16(15)31-2)9-5-10(23)11(24)6-14(9)33-22-19(27)17(25)18(26)20(34-22)21(28)29/h3-7,17-20,22-27H,1-2H3,(H,28,29)