問題詳情
43. Which of the following are constitutional isomers of 4-isopropyloctane?
I. 3-ethyl-2,4,5-trimethyloctane II. isobutylcyclohexane
III. 4-ethyl-2,2-dimethylheptane IV. 4-ethyl-2-methyloctane
(A) I, IV
(B) II, III
(C) I, II
(D) III, IV
參考答案
答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增