Write the correct synthetic sequence for the conversion of ethylbenzene to the given trisubstituted benzene.

Synthetic pathway showing reactions converting ethylbenzene to a trisubstituted benzene.

Alternative synthetic pathway for converting ethylbenzene to a trisubstituted benzene.

Another synthetic route for the conversion of ethylbenzene to a trisubstituted benzene.

Final synthetic pathway illustrating the conversion of ethylbenzene to a trisubstituted benzene.