InChI=1/C16H19ClFN3/c1-2-7-20-15(9-11-4-3-8-21-16(11)19)13-6-5-12(17)10-14(13)18/h3-6,8,10,15,20H,2,7,9H2,1H3,(H2,19,21)/p+2/t15-/m0/s1/fC16H21ClFN3/h20-21H,19H2/q+2 AF8FC4F2656D5F5C