InChI=1/C19H12N2O4/c22-14(11-6-2-1-3-7-11)10-13-18(23)21-16-12-8-4-5-9-15(12)25-19(24)17(16)20-13/h1-10,19-20H/b13-10-	4721D55B9A1E4517