英语语法分析

Conclusion Diketene has obvious toxic effects on liver and lung.

结论双乙烯酮具有明显的肝脏和肺脏毒性。

The production methods, application and market prospect of diketene are introduced in this paper.

本文介绍了双乙烯酮的生产方法，应用和发展趋势。

Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 May be obtained.

而由混合酸酐或双烯酮代替酰氯，中间体也可能是烯酮或烯醇5。