InChI=1/C19H17F3N2O4/c1-10-2-4-12(5-3-10)16(26)14-15(11-6-8-13(25)9-7-11)23-17(27)24-18(14,28)19(20,21)22/h2-9,14-15,25,28H,1H3,(H2,23,24,27)/t14-,15+,18-/m0/s1/f/h23-24H B37FD4E661D1D1BF