InChI=1/C15H10N6O2/c1-4-10(13-11(5-1)19-23-20-13)14-17-12-7-16-21(15(12)18-14)8-9-3-2-6-22-9/h1-7H,8H2,(H,17,18)/f/h18H 601E2ED8A09407CF