InChI=1/C17H12N2O5/c1-24-12-8-3-2-5-9(12)15(21)18-11-7-4-6-10-13(11)14(20)17(23)19-16(10)22/h2-8H,1H3,(H,18,21)(H,19,22,23)/f/h18-19H 7157A62D7156C3D0