InChI=1/C17H13ClN4O4/c18-11-5-7-12(8-6-11)20-16(10-22(24)25)21-19-9-15-13-3-1-2-4-14(13)17(23)26-15/h1-9,19H,10H2,(H,20,21)/b15-9-/f/h20H/b15-9-,21-16- B4CE92940C7D129E