Preparation
2,4-Dinitro-6-bromoaniline diazo, and N-(3-(ethylamino)-4-methoxyphenyl)acetamide?(N-(3-(2-cyanoethylamino)-4–methoxyphenyl)acetamide; N-(3-(diethylamino)-4-methoxyphenyl)acetamide; N-(3-((2-cyanoethyl)(ethyl)amino)-4-methoxyphenyl)acetamide) coupled.