InChI=1/C14H19FN2O2/c1-2-3-6-9-16-13(18)10-17-14(19)11-7-4-5-8-12(11)15/h4-5,7-8H,2-3,6,9-10H2,1H3,(H,16,18)(H,17,19)/f/h16-17H 75334D378123C5FC