InChI=1S/C22H22O12/c1-30-14-4-8-3-13(32-12(8)7-15(14)31-2)10-5-9(23)6-11(24)19(10)33-22-18(27)16(25)17(26)20(34-22)21(28)29/h3-7,16-18,20,22-27H,1-2H3,(H,28,29)