InChI=1/C16H15F3N2O2/c1-3-6-21-9(2)8-23-15-12(21)5-4-11-14(15)10(16(17,18)19)7-13(22)20-11/h3-5,7,9H,1,6,8H2,2H3,(H,20,22)/t9-/m1/s1/f/h20H 435F2CFEDD31C678