InChI=1/C21H22N2O2/c1-22-21(24)15-25-19-11-9-16(10-12-19)13-23-14-18-7-4-6-17-5-2-3-8-20(17)18/h2-12,23H,13-15H2,1H3,(H,22,24)/p+1/fC21H23N2O2/h22-23H/q+1 3EFB47CAC03FFB17