N-[2-[(2,6-dicyano-p-tolyl)azo]-5-(dipropylamino)phenyl]methanesulphonamide

N-[2-(4-Methyl-2,6-dicyanophenylazo)-5-(dipropylamino)phenyl]methanesulfonamide

5-Methyl-2-[2-(methylsulfonylamino)-4-(dipropylamino)phenylazo]isophthalonitrile

Methanesulfonamide, N-[2-[(2,6-dicyano-4-methylphenyl) azo]-5-(dipropylamino)phenyl]-