InChI=1/C14H12N4O3/c15-14-17-10(12-4-2-6-21-12)7-11(18-14)13(19)16-8-9-3-1-5-20-9/h1-7H,8H2,(H,16,19)(H2,15,17,18)/f/h16H,15H2 D2A97E38992C06D0