InChI=1/C21H23N3O/c22-21-9-5-8-19(23-21)17-10-11-20(18-7-2-1-6-16(17)18)25-15-14-24-12-3-4-13-24/h1-2,5-11H,3-4,12-15H2,(H2,22,23)/p+2/fC21H25N3O/h23-24H,22H2/q+2 81A3C6A22232E150