InChI=1/C21H23N3O2/c1-3-16-9-7-8-12-18(16)23-20(25)14-24(2)15-21-22-13-19(26-21)17-10-5-4-6-11-17/h4-13H,3,14-15H2,1-2H3,(H,23,25)/p+1/fC21H24N3O2/h23-24H/q+1 5FB2D5F9A8C879B9