N-[(2,3-Dihydro-2-oxo-1H-benzimidazol)-5-yl]-2-[2,5-dimethoxy-4-(methylaminosulfonyl)phenylazo]-3-oxobutanamide

N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-2-[[2,5-dimethoxy-4-[(methylamino)sulphonyl]phenyl]azo]-3-oxobutyramide