InChI=1S/C23H22O12/c1-8(25)33-23-20(32)19(31)16(7-24)35-22(23)18-13(29)5-12(28)17-14(30)6-15(34-21(17)18)9-2-3-10(26)11(27)4-9/h2-6,16,19-20,22-24,26-29,31-32H,7H2,1H3