InChI=1/C20H24N2O/c21-19-8-4-9-20(16-19)23-15-5-12-22-13-10-18(11-14-22)17-6-2-1-3-7-17/h1-4,6-10,16H,5,11-15,21H2/p+1/fC20H25N2O/h22H/q+1 CE7BC68261BD85DB