InChI=1/C17H21F3N2O2/c18-17(19,20)13-5-7-14(8-6-13)21-9-15(23)10-24-22-16(11-1-2-11)12-3-4-12/h5-8,11-12,15,21,23H,1-4,9-10H2/t15-/m1/s1 3A1536B528B8A03F