英语语法分析

Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.

本文介绍了用重氮转移法合成具有较大空间位阻的重氮乙酸二环己基甲酯、 L- 薄荷酯和叔丁酯。

Another popular chemical is tri-butyl tin.

另一种流行的化学物质是三丁基锡。

Obtained by chlorination of butyl rubber in hexane solution.

由丁基橡胶在己烷溶液中氯化制得。