InChI=1/C16H13N5O2/c1-22-11-5-2-4-10(8-11)12-9-21-16(14(17)18-12)19-15(20-21)13-6-3-7-23-13/h2-9H,1H3,(H2,17,18)/f/h17H2 C9E9788CB8BE52D6