4-Nitrobenzenamine diazo, and 2-((2-Cyanoethyl)(phenyl)amino)ethyl benzoate?coupled; 2-Chloro-4-nitrobenzenamine diazo, and 3-Methyl-N-cyanoethyl-N-benzoyloxyethylaniline?coupling between; 2,4-Dinitro-6-chloroaniline?diazo, and N-(4-(2-methoxyethoxy)-3-(2-methoxyethylamino)phenyl)acetamide?coupling.