InChI=1/C17H19F3N2O4/c18-17(19,20)26-13-9-7-12(8-10-13)16-21-11-14(25-16)5-3-1-2-4-6-15(23)22-24/h7-11,24H,1-6H2,(H,22,23)/f/h22H 6F4ACA67A16EAC99