InChI=1/C17H25F3N2O2/c1-22(14-17(18,19)20)11-6-10-21-16(23)9-5-12-24-13-15-7-3-2-4-8-15/h2-4,7-8H,5-6,9-14H2,1H3,(H,21,23)/f/h21H 7B4736AE56FA474B