InChI=1/C13H18ClFN2O/c1-4-13(2,3)16-8-12(18)17-11-7-9(14)5-6-10(11)15/h5-7,16H,4,8H2,1-3H3,(H,17,18)/p+1/fC13H19ClFN2O/h16-17H/q+1 7F12B8B657770E3C