CH4ও\mathrm{CH}_{4} ও CH4ও\mathrm{C}_{2} \mathrm{H}_{5}$
C3H8\mathrm{C}_{3} \mathrm{H}_{8}C3H8 ও C2H6\mathrm{C}_{2} \mathrm{H}_{6}C2H6
CH4\mathrm{CH}_{4}CH4 ও C2H6\mathrm{C}_{2} \mathrm{H}_{6}C2H6
CH4\mathrm{CH}_{4}CH4 ও N2\mathrm{N}_{2}N2