InChI=1/C15H19FN4O3/c1-8(13(21)20-15(23)17-2)18-10-5-6-11(16)12(7-10)19-14(22)9-3-4-9/h5-9,18H,3-4H2,1-2H3,(H,19,22)(H2,17,20,21,23)/t8-/m0/s1/f/h17,19-20H 4C81B96C16DD94E8