InChI=1/C17H17FN2O3/c18-13-6-7-15(21)12(10-13)11-19-8-3-9-20-17(23)14-4-1-2-5-16(14)22/h1-2,4-7,10-11,21-22H,3,8-9H2,(H,20,23)/p+1/b19-11+/fC17H18FN2O3/h19-20H/q+1 50A5240F818B1300