An organic compound ‘A’ on reaction with ${\mathrm{NH}}_3$ followed by heating gives compound ‘B’ which on further strong heating gives compound ‘C’ $\left({\mathrm{C}}_8{\mathrm{H}}_5{\mathrm{NO}}_2\right)$. The compound ‘C’ on sequential reaction with ethanolic KOH , alkyl chloride and hydrolysis with alkali gives a primary amine. The compound ‘A’ is