C6H6\mathrm{C}_{6} \mathrm{H}_{6}C6H6
C12H12\mathrm{C}_{12} \mathrm{H}_{12}C12H12
C6H5NH2\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{NH}_{2}C6H5NH2
C6H5CH3\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{3}C6H5CH3
C12H11OH\mathrm{C}_{12} \mathrm{H}_{11} \mathrm{OH}C12H11OH