InChI=1/C20H26BrFN2O2/c1-5-26-20-17(21)10-14(11-19(20)25-4)12-23-13-18(24(2)3)15-6-8-16(22)9-7-15/h6-11,18,23H,5,12-13H2,1-4H3/t18-/m1/s1 A696F9DF2F931B03