C6H5CH3\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}C6H5CH3
C6H5COOH\mathrm{C}_{6} \mathrm{H}_{5}\mathrm {COOH}C6H5COOH
C6H5CH2OH\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2}\mathrm {OH}C6H5CH2OH
C6H5OH\mathrm{C}_{6} \mathrm{H}_{5}\mathrm {OH}C6H5OH