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