InChI=1/C21H23FN2O/c22-18-8-5-17(6-9-18)21(25)11-12-23-13-14-24-19(15-23)10-7-16-3-1-2-4-20(16)24/h1-6,8-9,19H,7,10-15H2/t19-/m1/s1 FB164CA1D394FDD7