InChI=1/C20H21ClFN2O/c21-16-5-4-6-18(13-16)24-19-7-2-1-3-12-23(19)14-20(24,25)15-8-10-17(22)11-9-15/h4-6,8-11,13,25H,1-3,7,12,14H2/q+1/t20-/m0/s1 8D5CDE6AC236D999