C3H6O2的同分异构体：
CH3CH2COOH,CH2OHCH2CHO,CH3COCH2OH,COOCH2CH3,CH3COOCH3.先列出这么多,其他还有不过不是很常见也不是很稳定.
C3H80的同分异构体：
CH3OCH2CH3,CH3CH2CH2OH,CH2OHCH2CH3,CH3CHOHCH3