C6Cl6\mathrm{C}_{6} \mathrm{Cl}_{6}C6Cl6
C6H6Cl6\mathrm{C}_{6} \mathrm{H}_{6} \mathrm{Cl}_{6}C6H6Cl6
C6H5Cl\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{Cl}C6H5Cl
CHCl3\mathrm{CHCl}_{3}CHCl3