InChI=1/C21H25F2NO3/c1-14(2)20(25)16-5-8-19-17(11-16)13-24(9-10-26-19)12-15-3-6-18(7-4-15)27-21(22)23/h3-8,11,14,20-21,25H,9-10,12-13H2,1-2H3/t20-/m1/s1 668EC7A929E2DF74