InChI=1/C21H19N3O2/c1-24(13-16-7-4-6-14-5-2-3-8-18(14)16)21(26)23-17-10-9-15-12-22-20(25)19(15)11-17/h2-11H,12-13H2,1H3,(H,22,25)(H,23,26)/f/h22-23H 19DD908287CB8EC9