InChI=1/C16H17FN2O/c1-12-3-2-4-13(9-12)10-18-11-16(20)19-15-7-5-14(17)6-8-15/h2-9,18H,10-11H2,1H3,(H,19,20)/f/h19H 6C0294768420A12E