InChI=1/C14H12N6O2/c15-14(19-20(21)22)18-17-13-9-5-1-3-7-11(9)16-12-8-4-2-6-10(12)13/h1-8,16-17H,(H2-,15,18,19)/f/h15H2/b19-14+ 82C4E38E5358E9C6