• 本文对嘧黄隆生产中的原料中间体氰乙酸,乙氧基叉氰乙酸乙酯和吡唑胺进行了致性试验研究。

    The sensitization of raw material and intermediate of pyrazosulfuron-ethyl was studied using guinea pig. The result indicated that ethoxy methylene cyanacetic ester is sensitive agent.

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  • 一种新型高效杀虫剂

    Tebufenpyrad is a new and high efficiency pesticide of pyrazole amide.

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  • 本文研究了以丙酰丙酮酸乙酯、 硫酸二硫酸钾为原料合成中间体3-乙基-5- 吡唑羧酸酯的方法。

    It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.

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  • 本文研究了以丙酰丙酮酸乙酯、 硫酸二硫酸钾为原料合成中间体3-乙基-5- 吡唑羧酸酯的方法。

    It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.

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