2-((((4-Bromo-1,2-dihydro-2-oxo-3H-indol-3-ylidene)hydrazino)oxoacetyl)amino)benzoic acid Benzoic acid, 2-((((4-bromo-1,2-dihydro-2-oxo-3H-indol-3-ylidene)hydrazino)oxoacetyl)amino)- DG4449170