InChI=1/C19H15N3O4/c1-10-12-7-6-11(23)8-16(12)26-18(25)13(10)9-17(24)22-19-20-14-4-2-3-5-15(14)21-19/h2-8,23H,9H2,1H3,(H2,20,21,22,24)/f/h20-21H F16A7A7F8A2648E3