InChI=1/C20H23FN2O/c1-15(16-7-5-10-18(21)13-16)22-14-19(24)23-20(11-6-12-20)17-8-3-2-4-9-17/h2-5,7-10,13,15,22H,6,11-12,14H2,1H3,(H,23,24)/t15-/m0/s1/f/h23H 267F3668F57CAE19