InChI=1/C21H19N5O/c1-15-4-2-5-17(14-15)24-21-26-25-20(27-21)18-6-3-11-23-19(18)8-7-16-9-12-22-13-10-16/h2-6,9-14H,7-8H2,1H3,(H,24,26)/f/h24H 7EB2652477DB6988