InChI=1/C17H13N3O5/c21-16(8-3-11-1-5-13(6-2-11)20(23)24)18-12-4-7-15-14(9-12)19-17(22)10-25-15/h1-9H,10H2,(H,18,21)(H,19,22)/b8-3+/f/h18-19H BF76F55603044B26