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