InChI=1/C18H17N3O/c22-18(20-11-10-17-12-19-13-21-17)16-8-6-15(7-9-16)14-4-2-1-3-5-14/h1-9,12-13H,10-11H2,(H,19,21)(H,20,22)/f/h19-20H F074B3451739F861