InChI=1S/C21H20O11/c22-3-5-29-12-8-13(24)18-16(9-12)32-21(20(28)19(18)27)11-1-2-14(31-10-17(25)26)15(7-11)30-6-4-23/h1-2,7-9,22-24,28H,3-6,10H2,(H,25,26)