InChI=1/C18H14N2O4/c21-16(19-24)9-7-12-6-8-14-15(10-12)18(23)20(17(14)22)11-13-4-2-1-3-5-13/h1-10,24H,11H2,(H,19,21)/b9-7+/f/h19H	5B6C7B47969F4B0A