InChI=1/C18H13N3O5/c1-11-15(10-12-6-8-13(9-7-12)21(25)26)18(24)20(19-11)17(23)14-4-2-3-5-16(14)22/h2-10,22H,1H3/b15-10+ 2B57CBCEBCEDCA5F