InChI=1/C21H27FN2O3/c1-14(2)21(16-4-6-17(22)7-5-16)23-12-19(26)13-27-20-10-8-18(9-11-20)24-15(3)25/h4-11,14,19,21,23,26H,12-13H2,1-3H3,(H,24,25)/p+1/t19-,21-/m0/s1/fC21H28FN2O3/h23-24H/q+1 1E6429235B9712E5