InChI=1/C19H14N4O3/c1-26-15-4-2-3-12(8-15)7-13(10-20)18(24)23-14-5-6-17-16(9-14)19(25)22-11-21-17/h2-9,11H,1H3,(H,23,24)(H,21,22,25)/b13-7-/f/h22,24H/b13-7-,23-18? F5B6C0DC336D1F85