InChI=1/C18H20F4N4O/c19-16-2-1-15(11-13(16)12-23)26-10-9-25(17(26)27)8-7-24-5-3-14(4-6-24)18(20,21)22/h1-2,11,14H,3-10H2/p+1/fC18H21F4N4O/h24H/q+1 0507E3B5DD596360