InChI=1/C17H14N4O4/c1-18-16(22)12-4-2-3-5-14(12)20-17(23)15-9-10-8-11(21(24)25)6-7-13(10)19-15/h2-9,19H,1H3,(H,18,22)(H,20,23)/f/h18,20H 3F7EAF1AB3C2F904