An aromatic compound ‘A‘ having molecular formula ${\text{C}}_{\text{7}}{\text{H}}_{\text{6}}{\text{O}}_{\text{2}}$ on treating with aqueous ammonia and heating forms compound ‘B’. The compound ‘B’ on reaction with molecular bromine and potassium hydroxide provides compound ‘C’ having molecular formula ${\text{C}}_6{\text{H}}_7\text{N}$. The structure of ‘A’ is :