Fig. 8
Example of carbon position lists for a naphthalene ring. a T 4. b Molecular graph of \(T^{\prime }_{4}\), which is T 4 with \(C^{T'_{4}}_{v_{1}}=((1,2),(4),(3))\), \(C^{T'_{4}}_{v_{2}}=((1,2), (4),(5))\). c Molecular graph of \(T^{\prime \prime }_{4}\), which is T 4 with \(C^{T^{\prime \prime }_{4}}_{v_{1}}=((1,2),(4),(5))\), and \(C^{T^{\prime \prime }_{4}}_{v_{2}}=((1,2),(4),(3))\)