InChI=1/C18H21F3N2O/c1-5-17(2)7-6-11-8-12-13(18(19,20)21)9-16(24)22(3)15(12)10-14(11)23(17)4/h8-10H,5-7H2,1-4H3/t17-/m1/s1 83D528894D26FBDD