英语语法分析

The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.

三甲基甲硅烷基炔丙基溴的反应产物的产率为71%到84％。

The yields of products for reaction of trimethylsilyl propargyl bromide are 71-84%.

三甲基硅基炔丙基溴与醛的反应产率约为71-84%。

The second part of this paper relates to the synthesis of 3(2)-fluoro-4-propargyl- benzyl alcohol.

本论文的第二部分工作是3-氟（2-氟）-4炔丙基苄醇的合成探讨。