英语语法分析

Benzothiophene showed a strong competitive adsorption effect to thiophene.

苯并噻吩对噻吩有较强的竞争吸附影响。

Methods:Zileuton wassynthesized via 3-step reactions with 2-acetyl benzothiophene as the starting material.

方法：以2-乙酰基苯并噻吩为起始原料，经3步反应合成齐留通。

The present invention relates to a novel class of hydroxamic acid derivatives having a benzothiophene or thiophene backbone.

本发明涉及一类新型的具有苯并噻吩或噻吩骨架的异羟肟酸衍生物。