InChI=1/C15H13N5O2/c1-21-20-8-12-14(16)18-9-19-15(12)22-11-4-5-13-10(7-11)3-2-6-17-13/h2-9H,1H3,(H2,16,18,19)/b20-8+/f/h16H2 9A5BB32BACB2706A