InChI=1/C19H25FN4O2/c1-3-11-21-18(25)13-22-19(26)23-14-9-10-17(16(20)12-14)24(2)15-7-5-4-6-8-15/h1,9-10,12,15H,4-8,11,13H2,2H3,(H,21,25)(H2,22,23,26)/f/h21-23H 83A8AC60B2D3DCF2