It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.

进一步证明了三代替剧毒和双可行性。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了下游精细化学品开发生产进展,包括二苯甲酮类、氯代甲类、异氰类、酰氯类、类化合物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用和对硝基苯胺在乙乙溶剂中反应来制备对硝基异氰苯方法，并讨论了其最佳工艺条件。