InChI=1S/C22H22O13/c1-4-8-12(13(20(29)31-2)21(30)32-3)14(23)11-9(33-8)6-5-7-10(11)34-22-17(26)15(24)16(25)18(35-22)19(27)28/h4-7,13,15-18,22,24-26H,1H2,2-3H3,(H,27,28)