InChI=1/C20H15FN2O5/c21-13-5-3-4-12(10-13)14-11-17(28-22-14)20(26)27-16-7-2-1-6-15(16)23-18(24)8-9-19(23)25/h1-7,10,17H,8-9,11H2/t17-/m1/s1 EC8B00A640714353