InChI=1/C16H23FN2O/c1-4-19(13-9-10-13)16(20)11-18(3)12(2)14-7-5-6-8-15(14)17/h5-8,12-13H,4,9-11H2,1-3H3/t12-/m0/s1 283B6AC830189D0A