InChI=1/C21H22O10/c22-12-3-5-13(6-4-12)30-21-20(28)19(27)18(26)16(31-21)10-29-17(25)8-2-11-1-7-14(23)15(24)9-11/h1-9,16,18-24,26-28H,10H2/b8-2+/t16-,18-,19+,20-,21-/m1/s1 3605269E21FA1B20