InChI=1S/C17H16N4O4/c22-16(19-12-2-1-5-18-9-12)10-20-6-7-21(17(20)23)13-3-4-14-15(8-13)25-11-24-14/h1-5,8-9H,6-7,10-11H2,(H,19,22)