InChI=1/C13H15F3N2O3/c14-13(15,16)11-7-9(3-6-12(11)18(20)21)17-8-1-4-10(19)5-2-8/h3,6-8,10,17,19H,1-2,4-5H2 3AA1FE5AEF0BAE0B