InChI=1S/C22H22O12/c1-30-8-2-3-9-12(6-8)31-7-22(29)10-4-5-11(23)17(16(10)32-19(9)22)33-21-15(26)13(24)14(25)18(34-21)20(27)28/h2-6,13-15,18-19,21,23-26,29H,7H2,1H3,(H,27,28)