Each of the following compounds has been prepared from p-nitroaniline. Outline a reasonable series of steps leading to each one.

a. p-Nitrobenzonitrile (d) 3,5-Dibromoaniline.
b. 3,4,5-Trichloroaniline (e) p-Acetamidophenol (acetaminophen).
c. 1,3-Dibromo-5-nitrobenzene.