Question

ch3ch(c2h5)ch2ch(ch3)ch2c(ch3)(ch2ch3)2主链有几个碳原子,带括号的都是支链吗,最好

Answer 1

CH2CH3

I

CH3CHCH2CHCH2CCH2CH3主链就是这个最长的,你看一下吧,

I I I

C2H5 CH3 CH3