Pharmacognosy for Dummies
The most important group of aromatic compounds are those where one or more with the hydrogens of benzene are replaced by Several other atom or group, as in toluene (C6H5CH3) and benzoic acid (C6H5CO2H). Polycyclic aromatic compounds are assemblies of benzene rings that share a typical facet—by way of example, naphthalene (C10H8). Heterocyclic aro