InChI=1/C13H9N3O3/c14-7-8(11(17)5-6-12(18)19)13-15-9-3-1-2-4-10(9)16-13/h1-6,13,17H,(H,18,19)/p+1/b6-5+,11-8-/fC13H10N3O3/h15-16H/q+1 B2A399F09C9E00D3