The largest group of aromatic compounds are Individuals where one or more with the hydrogens of benzene are changed by Another atom or team, as in toluene (C6H5CH3) and benzoic acid (C6H5CO2H). Polycyclic aromatic compounds are assemblies of benzene rings that share a standard facet—one example is, naphthalene (C10H8). Heterocyclic https://jeffj566euj4.wikirecognition.com/user