InChI=1/C20H17FN2O5/c1-2-23-19(24)16-6-4-3-5-15(16)17(22-23)20(25)27-10-13-8-14(21)7-12-9-26-11-28-18(12)13/h3-8H,2,9-11H2,1H3 1199E5ECA2BD3E2B