C7H16:CH3CH2CH2CH2CH2CH2CH3 CH3CH2CH2CH(CH3)CH2CH3
CH3CH2CH2CH2CH(CH3)2 C(CH2CH3)3 CH3CH2CH2C(CH3)3
CH3CH2CH(CH3)CH(CH3)2 CH3CH(CH3)CH2CH(CH3)2
CH3CH2C(CH3)2CH2CH3 C(CH3)3CH(CH3)2 共9种
C6H14:正己烷 CH3CH2CH2CH2CH2CH3
2-甲基-戊烷 CH3CH(CH3)CH2CH2CH3
3-甲基-戊烷 CH3CH3CH(CH3)CH2CH3
2,3-二甲基丁烷 CH3CH(CH3)CH(CH3)2
2,2-二甲基丁烷 CH3C(CH3)2CH2CH3