InChI=1/C16H23F3N2O4/c1-3-21(6-7-22)11-15(23)20-13-10-12(16(17,18)19)4-5-14(13)25-9-8-24-2/h4-5,10,22H,3,6-9,11H2,1-2H3,(H,20,23)/f/h23H 34E365724EC89BE9