英语语法分析

In compounds such as chorobenzene, brmobenzene and thiophenol the band lies close to the lower limit .

氯苯、溴苯和苯硫酚化合物的谱带出现于低限附近。

In this reaction, besides substitution products thiophenol etc, the reduction product benzene is formed.

反应中，除生成笨硫酚等取代产物外，还生成。