InChI=1/C19H21N3O/c23-19-13-16-17(20-19)7-4-8-18(16)22-11-9-21(10-12-22)14-15-5-2-1-3-6-15/h1-8H,9-14H2,(H,20,23)/f/h20H E6B6CD68B231A82B