InChI=1/C17H14N4O4/c1-9-5-24-17(25-9)16(7-19)13(15(16,6-18)14(20)21-17)10-2-3-11-12(4-10)23-8-22-11/h2-4,9,13H,5,8H2,1H3,(H2,20,21)/t9-,13+,15+,16+,17-/m0/s1/f/h20H2 BBBDBAF2795AD175