InChI=1S/C22H22O12/c1-32-19-9(3-6-12(24)15(19)26)2-5-11(23)10-4-7-14(13(25)8-10)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)