InChI=1/C14H13F3N2O2/c1-7-6-19(2)11-3-8-9(14(15,16)17)4-13(20)18-10(8)5-12(11)21-7/h3-5,7H,6H2,1-2H3,(H,18,20)/t7-/m1/s1/f/h18H BF04168D86DFAD5A