InChI=1/C21H21F3N4O4/c1-4-26-18(31)27-9-19(2)14-15(20(3,10-27)32-19)17(30)28(16(14)29)12-6-5-11(8-25)13(7-12)21(22,23)24/h5-7,14-15H,4,9-10H2,1-3H3,(H,26,31)/t14-,15+,19-,20+/f/h26H 2B49238D72BDE9C5