InChI=1/C21H24N2O2/c1-3-23(4-2)15-17-11-9-16(10-12-17)14-22-21(24)20-13-18-7-5-6-8-19(18)25-20/h5-13H,3-4,14-15H2,1-2H3,(H,22,24)/p+1/fC21H25N2O2/h22-23H/q+1 748647109F1D416B