InChI=1/C16H23ClN2O2/c1-3-4-9-19(13-6-7-13)11-16(20)18-14-10-12(17)5-8-15(14)21-2/h5,8,10,13H,3-4,6-7,9,11H2,1-2H3,(H,18,20)/p+1/fC16H24ClN2O2/h18-19H/q+1 766A03D2174A0FC1