InChI=1/C21H13N3O2/c22-11-15(20(25)17-12-23-19-8-4-2-6-16(17)19)10-14-9-13-5-1-3-7-18(13)24-21(14)26/h1-10,12,23H,(H,24,26)/b15-10+/f/h24H 79A74BEC3BE03C1A