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