InChI=1/C13H13FN4O4/c1-2-4-16-11(19)3-5-17-13(20)9-6-8(14)7-10(12(9)15)18(21)22/h1,6-7H,3-5,15H2,(H,16,19)(H,17,20)/f/h16-17H 85B9563FE559A90B