InChI=1/C20H17N3O3/c1-26-15-8-6-7-14(13-15)19(24)22-17-10-3-2-9-16(17)20(25)23-18-11-4-5-12-21-18/h2-13H,1H3,(H,22,24)(H,21,23,25)/f/h22-23H C160D8B0100EB01D