CH3(CH2)3CHO:1-戊醛
CH3CH2CH(CH3)CHO:2-甲基丁醛
(CH3)2CHCH2CHO:3-甲基丁醛
(CH3)3CCHO:2,2-二甲基丙醛
CH3(CH2)2COCH3:2-戊酮
CH3CH2COCH2CH3:3-戊酮
(CH3)2CHCH3:3-甲基-2-丁酮