InChI=1S/C23H20O11/c24-15-12(32-23-18(27)16(25)17(26)21(34-23)22(28)29)2-1-9-11-7-31-14-6-13-8(3-4-30-13)5-10(14)19(11)33-20(9)15/h1-6,11,16-19,21,23-27H,7H2,(H,28,29)