InChI=1/C15H12N4O3/c16-8-10-9-17-19-13(10)18-14(20)12(15(19)21)6-7-22-11-4-2-1-3-5-11/h1-5,9,21H,6-7H2,(H,18,20)/p-2/fC15H10N4O3/h21h/q-2 69D89507B510FEAE