InChI=1/C13H15F3N2O/c14-13(15,16)11-4-2-1-3-9(11)7-18(8-12(17)19)10-5-6-10/h1-4,10H,5-8H2,(H2,17,19)/f/h17H2 6E74D6E5D3B9E7A8