b) 4-Chloro-3,5-dimethylphenol (J), the active ingredient responsible for the antiseptic properties of Dettol, can be prepared from 4-chloronitrobenzene as outlined below: (i) Provide the structures of the missing intermediate compounds G,H,I and the antiseptic J. (2 Marks each) (ii) Propose a retrosynthetic pathway for the anticeptic agent that is consistent with synthetic scheme above. (4 Marks) (Total Marks: 12 Marks)