InChI=1/C21H20O9/c1-8-5-10-15(18(26)14-9(16(10)24)3-2-4-11(14)23)12(6-8)29-21-20(28)19(27)17(25)13(7-22)30-21/h2-6,13,17,19-23,25,27-28H,7H2,1H3/t13-,17-,19+,20-,21-/m1/s1 3EE946A10C070D06