InChI=1/C19H21FN4O2/c1-12(2)26-15-5-6-17(16(20)8-15)23-19(25)21-9-14-11-24-10-13(3)4-7-18(24)22-14/h4-8,10-12H,9H2,1-3H3,(H2,21,23,25)/f/h21,23H 5F5852FC90E0C051