InChI=1/C15H17FN2O4/c1-21-8-9-22-7-6-14(19)11(10-17)15(20)18-13-5-3-2-4-12(13)16/h2-5,18,20H,6-9H2,1H3/p-1/b15-11-/fC15H16FN2O4/h20h/q-1 EBF354E6F20CF5F0