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本文对吡嘧黄隆生产中的原料和中间体氰乙酸乙酯，乙氧基甲叉氰乙酸乙酯和吡唑胺进行了致敏性试验研究。结果表明，乙氧基甲叉氰乙酸乙酯是致敏原。为解决吡嘧黄隆生产中操作人员的过敏性皮炎提供了依据
In this paper pyrazole Huanglong the production of raw materials and intermediates cyanoethylacetate, ethoxylidene ethyl acetate and pyrazole amine sensitization test. The results show that ethoxylidene ethyl cyanoacetate is an allergen. It provided the basis for solving the allergic dermatitis in pyrimethazine production