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