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。

Symmetrical diazo compounds, compositions comprising them, method of coloring, and device.

对称重氮化合物，含有它们的组合物，染色方法和设备。

An acid yellow was synthesized by diazo and azo, and characterized by elementary analysis, IR and 1h-nmr.

酸性黄是经过重氮化和偶合反应合成的一种偶氮染料，对它进行了IR、1h - NMR和元素分析的表征。