InChI=1/C21H21F2NO/c1-21(2,3)20(25)24-13-15(17-12-16(22)9-10-18(17)23)11-19(24)14-7-5-4-6-8-14/h4-12,19H,13H2,1-3H3/t19-/m0/s1 5CB73F5040F4C3AB