InChI=1/C20H21FN4O/c21-18-3-1-16(2-4-18)19-20(17-5-7-22-8-6-17)25(15-23-19)10-9-24-11-13-26-14-12-24/h1-8,15H,9-14H2/p+1/fC20H22FN4O/h23H/q+1 7198BD122BE7CB14