InChI=1/C19H23F3N2O3/c20-19(21,22)14-7-4-8-15(11-14)24-17(25)12-16(18(26)27)23-10-9-13-5-2-1-3-6-13/h4-5,7-8,11,16,23H,1-3,6,9-10,12H2,(H,24,25)(H,26,27)/t16-/m0/s1/f/h23-24H 9362662C3F6710D7