CH3CH(CH3)CH(CH3)CH3与(CH3)2CHCH(CH3)2有什么区别

CH3CH(CH3)CH2CH(CH3)C(CH3)2CH2CH2CH2CH(CH3)CH(CH3)CH3 请问这个的标 CH3CH=CHCH(CH3)CH3 CH3CH(C2H5)CH(CH3)2 CH3CH(CH3)CH=C(CH3)CH(CH3)CH3 CH3CH(CH3)CH[CH(CH3)2]CH2CH3系统命名? CH3CH(C2H5)CH2CH(CH3)CH(C2H5)CH(CH3)2是什么? CH3CH(CH3)CH2CH2CH3 能不能写成 CH3CH(CH3)(CH2)2 CH3 (CH3)2CHCH(CH3)(CH2)3CH3的名称是? CH3CH(CH3)CH(CH3)2中的括号是什么意思 1、CH3(CH2)2CH(CH3)CH(C2H5)2 2、CH3CH(CH3)2 3、CH3CH(CH3)CH2C(C CH3CH(CH3)2什么意思? CH3CH(CH3)2结构式