N-[2-(2,6-Dicyano-4-nitrophenylazo)-5-(diethylamino)phenyl]butanamide

N-[2-[(2,6-dicyano-4-nitrophenyl)azo]-5-(diethylamino)phenyl]butyramide

Butanamide, N-[2-[(2,6-dicyano-4-nitrophenyl) azo]-5-(diethylamino)phenyl]-