论还了2，4-二氯-3，5-二硝基三氟甲基苯的合成方法；对影响收率的反应温度，反应时间和催化剂进行了研究。
This paper reported the synthetic method of 2, 4-dichloro-3, 5-dinitrotrifluorotoluene. The effect of temperature, time, and catalyst on yield were studied.
通过近年某些国家对来氟米特副作用的论证，分析了可能对来氟米特的应用市场造成一定的影响，进而影响其中间体5 甲基异唑4 甲酰氯和对三氟甲基苯胺的市场。
Through the demonstration on side-effect of leflunomide made by some countries recently, the probable impact to application market of leflunomide and to its intermediates could be given.
通过近年某些国家对来氟米特副作用的论证，分析了可能对来氟米特的应用市场造成一定的影响，进而影响其中间体5 甲基异唑4 甲酰氯和对三氟甲基苯胺的市场。
Through the demonstration on side-effect of leflunomide made by some countries recently, the probable impact to application market of leflunomide and to its intermediates could be given.
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