InChI=1/C15H11N3O4/c19-8-9-2-1-3-10(6-9)16-14-12-7-11(18(21)22)4-5-13(12)17-15(14)20/h1-7,19H,8H2,(H,16,17,20)/f/h17H D425927E9E519AF2