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The largest group of aromatic compounds are These wherein a number of of your hydrogens of benzene are replaced by Various other atom or group, as in toluene (C6H5CH3) and benzoic acid (C6H5CO2H). Polycyclic aromatic compounds are assemblies of benzene rings that share a typical aspect—by way of example, naphthalene (C10H8). Heterocyclic aromatic