InChI=1/C18H15N3O6/c1-8-3-10(7-14-15(22)20-18(27)19-14)9(2)21(8)13-5-11(16(23)24)4-12(6-13)17(25)26/h3-7H,1-2H3,(H,23,24)(H,25,26)(H2,19,20,22,27)/p-3/b14-7+/fC18H12N3O6/h19H/q-3 7419EB70029389D2