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