InChI=1/C17H15N3O4/c1-10-5-4-7-12(15(10)20(23)24)17(22)19-13-8-3-2-6-11(13)9-14(19)16(18)21/h2-8,14H,9H2,1H3,(H2,18,21)/t14-/m0/s1/f/h18H2 F8B09613031AE11C