InChI=1/C20H17FN2O4/c1-26-18-13-4-3-9-22-16(13)17(24)14-15(18)20(27-2)23(19(14)25)10-11-5-7-12(21)8-6-11/h3-9,20,24H,10H2,1-2H3/t20-/m1/s1 C02DA48DF2D31A5A