InChI=1/C18H15N3O5/c1-26-18(25)15(23)11-13(9-7-8-9)19-16-12(14(11)22)17(24)21(20-16)10-5-3-2-4-6-10/h2-6,9,22,24H,7-8H2,1H3/p-1/fC18H14N3O5/h22h/q-1 6520098A221770A7