C6H14\mathrm{C}_{6} \mathrm{H}_{14}C6H14
C6H4\mathrm{C}_{6} \mathrm{H}_{4}C6H4
C10H22\mathrm{C}_{10} \mathrm{H}_{22}C10H22
C3H6\mathrm{C}_{3} \mathrm{H}_{6}C3H6
C8H18\mathrm{C}_{8} \mathrm{H}_{18}C8H18