例如：卤代脂烃 6 5 2 1 (CH3)2CH 4 3CH2CH2CI CC=C CH:CH2 CH3 (Z)-3,5-二甲基-4-乙基-1-氯-3-己烯 CH3 91 CH:CHCH2CHCH3 2-甲基-4-氯戊烷（Z）-3,5-二甲基-4-乙基-1-氯-3-己烯 2－甲基－4－氯戊烷 C C CH2 CH2 Cl CH3 (CH3) 2 CH CH3 CH2 2 1 4 3 6 5 CH3CHCH2CHCH3 CH3 Cl