InChI=1S/C15H19F3N2O3/c16-15(17,18)9-23-13-5-4-11(21)7-12(13)14(22)20-8-10-3-1-2-6-19-10/h4-5,7,10,19,21H,1-3,6,8-9H2,(H,20,22)