InChI=1/C17H21FN2O2/c1-20(2)16(13-5-3-6-14(18)11-13)12-19-17(21)9-8-15-7-4-10-22-15/h3-7,10-11,16H,8-9,12H2,1-2H3,(H,19,21)/t16-/m1/s1/f/h19H 5A843A44C3317BF4