InChI=1/C18H15F3N2O3/c1-16-5-6-17(2,26-16)13-12(16)14(24)23(15(13)25)10-4-3-9(8-22)11(7-10)18(19,20)21/h3-4,7,12-13H,5-6H2,1-2H3/t12-,13+,16+,17- 679916A594618B05