1,3-Benzenedicarbonitrile, 2-((4-(diethylamino)-2-methylphenyl)azo)-5-methyl- 2-((4-(Diethylamino)-2-methylphenyl)azo)-5-methylbenzene-1,3-dicarbonitrile 4-((2,6-Dicyano-4-methylphenyl)azo)-3-methyl-N,N-diethylbenzenamine 75198-96-8 EINECS 278-104-2