An aromatic compound 'A' of molecular formula C7H7ON undergoes a series of reactions as shown below. Write the structures of A, B, C, D, and E in the following reactions.

The question is incomplete as the series of reactions are not provided. To provide a solution, the reaction scheme involving compound A (C7H7ON) and the formation of compounds B, C, D, and E must be shown. Without this information, it is impossible to determine the structures of A, B, C, D, and E.