InChI=1/C19H17FN2O/c1-10(2)8-11-9-12(14-4-3-7-21-14)17-18-15(22-19(17)23)6-5-13(20)16(11)18/h3-7,9-10,21H,8H2,1-2H3,(H,22,23)/f/h22H 3B6803B07D84964D