InChI=1S/C22H22O12/c1-32-10-4-2-3-9(5-10)6-14(25)16(26)15-12(23)7-11(8-13(15)24)33-22-19(29)17(27)18(28)20(34-22)21(30)31/h2-5,7-8,17-20,22-24,27-29H,6H2,1H3,(H,30,31)