InChI=1/C21H22N2O/c1-2-15-8-5-9-18-19(12-22-21(15)18)20(24)14-23-11-10-16-6-3-4-7-17(16)13-23/h5,8-13H,2-4,6-7,14H2,1H3/p+1/fC21H23N2O/h22H/q+1 CFD0A59B52740E64