InChI=1/C18H21FN4O4/c1-22-7-8-27-10-13(22)16-21-14(15(24)18(26)23(16)2)17(25)20-9-11-3-5-12(19)6-4-11/h3-6,13,24H,7-10H2,1-2H3,(H,20,25)/t13-/m1/s1/f/h20H ED09450893DA8770