C6H5−I\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{I}C6H5−I
C6H5−OH\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{OH}C6H5−OH
C6H5−Cl\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{Cl}C6H5−Cl
C6H5−CHO\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CHO}C6H5−CHO