InChI=1/C21H21BrF3N2O/c22-17-10-8-15(9-11-17)20(28)14-26-12-3-1-2-7-19(26)27(20)18-6-4-5-16(13-18)21(23,24)25/h4-6,8-11,13,28H,1-3,7,12,14H2/q+1/t20-/m0/s1 87E25C4D1EF500A4