CH3−CH2−OH\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{OH}CH3−CH2−OH
CH3−OH\mathrm{CH}_{3}-\mathrm{OH}CH3−OH
CH3−CO−CH3\mathrm{CH}_{3}-\mathrm{CO}-\mathrm{CH}_{3}CH3−CO−CH3
CH3−CH2−CO−CH3\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CO}-\mathrm{CH}_{3}CH3−CH2−CO−CH3
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