An organic compound (A) gives positive libermann’s nitroso reaction and on treatment with CHCl₃/KOH followed by hydrolysis gives (B) on (C). Compound (B) gives colour with schiff’s reagent but not (C), which is steam volatile. (C) on treatment with LiAlH₄ gives (D), C₇H₈O₂ which on oxidation gives (E), Compound (E) on reaction with acetic anhydride and acetic acid gives a pain reliever (F).