C4H8O4\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{4}C4H8O4
C5H10O5\mathrm{C}_{5} \mathrm{H}_{10} \mathrm{O}_{5}C5H10O5
C6H12O6\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}C6H12O6
C7H14O7\mathrm{C}_{7} \mathrm{H}_{14} \mathrm{O}_{7}C7H14O7