InChI=1/C17H13N3O4/c21-17(15-9-10-16(24-15)20(22)23)18-13-7-3-4-8-14(13)19-11-5-1-2-6-12-19/h1-12H,(H,18,21)/f/h18H 2BD8140F5C5663C7