virtual bool IsAromatic() const
Return the Boolean aromatic property of an atom. The default value is
false. The aromatic property of an atom can be set using the
OEAtomBase::SetAromatic
method. The aromatic properties of atoms
and bonds in a molecule are typically set by calling either the OEChem
OEAssignAromaticFlags
function, or possibly the
OEClearAromaticFlags
function.