InChI=1/C22H16N2O6/c25-19(30-16-11-10-14-5-1-2-6-15(14)13-16)9-4-12-23-21(26)17-7-3-8-18(24(28)29)20(17)22(23)27/h1-3,5-8,10-11,13H,4,9,12H2 0954466A291B01E0