C6H5COCl\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COCl}C6H5COCl
ClC6H4COOH\mathrm{ClC}_{6} \mathrm{H}_{4} \mathrm{COOH}ClC6H4COOH
ClC6COOH\mathrm{ClC}_{6} \mathrm{COOH}ClC6COOH
C6H5CH2Cl\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{Cl}C6H5CH2Cl