InChI=1/C19H18N4O3/c24-18(22-11-7-14-5-9-20-10-6-14)16(13-15-3-1-8-21-15)23-19(25)17-4-2-12-26-17/h1-6,8-10,12-13,21H,7,11H2,(H,22,24)(H,23,25)/b16-13+/f/h22-23H 98522F3F99DCF51A