InChI=1/C21H20Br2N2O3/c1-13-9-16(22)21(17(23)10-13)25-19(26)12-28-20(27)8-4-5-14-11-24-18-7-3-2-6-15(14)18/h2-3,6-7,9-10H,4-5,8,11-12H2,1H3,(H,25,26)/p+1/fC21H21Br2N2O3/h24-25H/q+1 62B5C5DA7574BCF6