InChI=1/C15H20F4N4O3/c1-23(9-15(17,18)19)7-3-6-20-13(24)21-10-4-5-11(16)12(8-10)22-14(25)26-2/h4-5,8H,3,6-7,9H2,1-2H3,(H,22,25)(H2,20,21,24)/p+1/fC15H21F4N4O3/h20-23H/q+1 DF381AACA7AA2D32