您好它的同分异构体如下
1-庚烯
CH3CH2CH2CH2CH2CH=CH2
2-庚烯
CH3CH2CH2CH2CH=CHCH3
3-庚烯
CH3CH2CH2CH=CHCH2CH3
2-甲基-1-已烯
CH3CH2CH2CH2C=CH2
CH3
3-甲基-1-已烯
CH3CH2CH2CHCH=CH2
CH3
4-甲基-1-已烯
CH3CH2CHCH2CH=CH2
CH3
5-甲基-1-已烯
CH3CHCH2CH2CH=CH2
CH3
2-甲基-2-已烯
CH3CH2CH2CH=CCH3
CH3
3-甲基-2-已烯
CH3CH2CH2C=CHCH3
CH3
4-甲基-2-已烯
CH3CH2CHCH=CHCH3
CH3
5-甲基-2-已烯
CH3CHCH2CH=CHCH3
CH3
2-甲基-3-已烯
CH3CH2CH=CHCHCH3
CH3
3-甲基-3-已烯
CH3CH2CH=CCH2CH3
CH3
4-甲基-3-已烯、5-甲基-3-已烯命名错误
实际上4-甲基-3-已烯3-甲基-3-已烯;5-甲基-3-已烯2-甲基-3-已烯
23-二甲基-1-戊烯
CH3CH2CH C=CH2
CH3CH3
24-二甲基-1-戊烯
CH3CH CH2C=CH2
CH3 CH3
33-二甲基-1-戊烯
CH3
CH3CH2C CH=CH2
CH3
34-二甲基-1-戊烯
CH3CH CH CH=CH2
CH3 CH3
44-二甲基-1-戊烯
CH3
CH3C CH2CH=CH2
CH3
23-二甲基-2-戊烯
CH3CH2C = C CH3
CH3CH3
24-二甲基-2-戊烯
CH3CH CH = C CH3
CH3 CH3
34-二甲基-2-戊烯
CH3CH C = CH CH3
CH3CH3
44-二甲基-2-戊烯
CH3
CH3C CH = CHCH3
CH3
3-乙基-1-戊烯
CH3CH2CH CH=CH2
C2H5
3-乙基-2-戊烯
CH3CH2C=CHCH3
C2H5
233-三甲基-1-丁烯
CH3
CH3C C= CH2
CH3CH3