InChI=1/C22H16N2O4/c1-13-6-8-19(28-13)18-11-16(15-4-2-3-5-17(15)24-18)22(25)23-14-7-9-20-21(10-14)27-12-26-20/h2-11H,12H2,1H3,(H,23,25)/f/h23H 17EDC389896BCB4F