3-甲基烯 CH2=CH2-CHCH2CH3 | CH3 2-甲基-1-戊烯 CH2=C-CH2CH2CH3 | CH3 2-甲基-1-丁烯 CH2=C-CH2CH3 | CH3 2-甲基-2-丁烯 CH3C=CH2CH3 | CH3 3-甲基-1-丁烯 CH2=CH-CHCH3 | CH3
3-甲基烯 CH2=CH2-CHCH2CH3 | CH3 2-甲基-1-戊烯 CH2=C-CH2CH2CH3 | CH3 2-甲基-1-丁烯 CH2=C-CH2CH3 | CH3 2-甲基-2-丁烯 CH3C=CH2CH3 | CH3 3-甲基-1-丁烯 CH2=CH-CHCH3 | CH3