CH3-CH(C2H5)-CH(C2H5)-CH3命名为:2,3-二乙基丁烷,是否正确?
CH3-CH(C2H5)-CH(CH3)-(CH2)3-CH3中的CH(C2H5)是C上连着一个乙基么
CH3CH(C2H5)CH2CH(CH3)CH(C2H5)CH(CH3)2是什么?
CH3CH(C2H5)CH(CH3)2
(ch3)2chch2(c2h5)ch(ch3)chc(ch3)3命名
CH3CH(CH3)CH(C2H5)C(CH3)3
1.2-乙基戊烷 2,2-二甲基戊烷 3-甲基己烷 哪个对?2.(CH3)2CHC(C2H5)2CH(CH3)C2H5
CH3-CH(C2H5)-CH(CH3)-(CH2)3-CH3是什么
(CH3)2C(C2H5)CH(C2H5)CH3 系统命名法
cH3-CH(C2H5)-CH(CH3)(C2H5)-CH3的名称
ch3ch(c2h5)ch(c2h5)ch(ch3)2叫啥?
CH3CH2CH(CH3)CH(C2H5)2如何命名?
CH3CH(C2H5)CH(CH3)2的名称