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发明人唐晓军,郑宇鹏,马晓峰. "A Process for Preparing High-Purity Ethyl 4-amino-1-ethyl-3-methyl-1h-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109213467 A, 授权公告日 2018-02-22.
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