InChI=1/C15H17FN4O4/c1-8(21)17-9-4-5-10(16)11(6-9)18-12(22)7-20-13(23)15(2,3)19-14(20)24/h4-6H,7H2,1-3H3,(H,17,21)(H,18,22)(H,19,24)/f/h17-19H 2FBBD1E19398BFD2