InChI=1/C15H13N3O5/c1-9-8-11(18(22)23)4-7-13(9)17-15(21)14(20)16-10-2-5-12(19)6-3-10/h2-8,19H,1H3,(H,16,20)(H,17,21)/f/h16-17H 023D290840598C98