I. Choose one correct answer for the following questions
【單選題】每題 1 分,共計 60 分,答錯 1 題倒扣 0.25 分,倒扣至本大題零分為止,未作答,不給分亦不扣分。
1. What is the major product obtained from the following reaction sequence?

(A) I
(B) II
(C) III
(D) IV
(E) V
詳解 (共 2 筆)
未解鎖
一個多步驟的有機反應序列其主要產物。 ...