InChI=1/C15H19FN4O/c1-10-6-14(20-15(17)19-10)18-8-12(9-21)7-11-2-4-13(16)5-3-11/h2-6,12,21H,7-9H2,1H3,(H3,17,18,19,20)/t12-/m0/s1/f/h18H,17H2 D5E7D926B8183889