InChI=1/C22H27FN2O2/c1-22(2,3)24-21(26)12-13-25-14-16-8-4-7-11-19(16)27-20(15-25)17-9-5-6-10-18(17)23/h4-11,20H,12-15H2,1-3H3,(H,24,26)/t20-/m1/s1/f/h24H CE52C425471F9CEC