InChI=1/C15H11N5O2/c16-13-14-18-20(9-5-7-10(21)8-6-9)15(22)19(14)12-4-2-1-3-11(12)17-13/h1-8,21H,(H2,16,17)/f/h16H2 6251FA28720F1B41