InChI=1S/C22H22O13/c1-32-21-11(34-22-19(31)17(29)14(26)12(6-23)35-22)5-10-13(16(21)28)15(27)18(30)20(33-10)7-2-3-8(24)9(25)4-7/h2-5,12,14,17,19,22-26,28-31H,6H2,1H3