InChI=1/C19H23FN4O4/c1-13-17(18(21)28-22-13)19(26)27-12-16(25)24-8-2-7-23(9-10-24)11-14-3-5-15(20)6-4-14/h3-6H,2,7-12,21H2,1H3 3336462F0EB54DC6