InChI=1/C18H15FN2O4/c19-14-4-2-1-3-13(14)10-18(23)21-20-17(22)8-6-12-5-7-15-16(9-12)25-11-24-15/h1-9H,10-11H2,(H,20,22)(H,21,23)/b8-6+/f/h20-21H 341786A1739A31AE