InChI=1/C15H13FN4O4/c16-9-6-11(14(18)12(7-9)20(23)24)15(22)19-10-3-1-8(2-4-10)5-13(17)21/h1-4,6-7H,5,18H2,(H2,17,21)(H,19,22)/f/h19H,17H2 CB20FD6D1F7B9936