4-(1-benzothiophen-2-yl)but-3-yn-1-ol

lithium,tert-butyl-but-3-ynoxy-dimethylsilane

4-碘-1-丁炔

4-bromobut-3-yn-1-ol

4-[2-(2-羟基乙基)-1-苯并呋喃-5-基]苯甲腈