InChI=1/C24H25BrN2O4/c1-14-5-7-18-16(3)19(24(30)31-21(18)11-14)8-10-23(29)27(4)13-22(28)26-20-9-6-17(25)12-15(20)2/h5-7,9,11-12H,8,10,13H2,1-4H3,(H,26,28)/f/h26H 2FF5A2DE26F285E4