InChI=1/C21H15N3O6/c25-19(13-4-1-6-15(10-13)24(28)29)17-18(14-5-2-8-22-11-14)23(21(27)20(17)26)12-16-7-3-9-30-16/h1-11,18,26H,12H2/p-1/t18-/m1/s1/fC21H14N3O6/h26h/q-1 2AA183F767D6F179