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