CH3CHO\mathrm{CH}_{3} \mathrm{CHO}CH3CHO
CH2=CH2\mathrm{CH}_{2}=\mathrm{CH}_{2}CH2=CH2
CH3CH2−O−CH2CH3\mathrm{CH}_{3} \mathrm{CH}_{2}-\mathrm{O}-\mathrm{CH}_{2} \mathrm{CH}_{3}CH3CH2−O−CH2CH3
CH3CH2CHO\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}CH3CH2CHO