InChI=1/C21H21FN2O4/c1-23(2)11-12-24-18(13-7-3-5-9-15(13)22)17(20(27)21(24)28)19(26)14-8-4-6-10-16(14)25/h3-10,18,25,27H,11-12H2,1-2H3/t18-/m0/s1/f/h27h,23H	19CD2F419F52AA30