Organic chemisly 如:己烷的构造异构体有五种,分别为: CH2CHCHCHCHCH3 CHr CHCH, CHCH CHrCH,CHCH,CH CH3 CH3 CH C CH3CHCHCH3 CH3 CCH2CH3 CH3 CH 书写构造式时,常用简化的式子。如: CHa CH2CH2 CH2, ECH3(CH2)4CH 3烷烃的构象异构(见24) 第二章脂肪烃如：己烷的构造异构体有五种，分别为： CH3 CHCHCH3 CH3 CHCH2 CH2 CH3 CH3 CH2 CHCH2 CH3 CH3 CH3 CH3 CH2 CH2 CH2 CH2 CH3 CH3 CCH2 CH3 CH3 CH3 CH3 CH3 书写构造式时，常用简化的式子。如： CH3CH2CH2CH2CH3或CH3 (CH2 )4CH3 3.烷烃的构象异构（见2—4）