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发明人冯建国,钱学锋,黄志刚. "A Process for Preparing High-Purity Ethyl 3-methyl-5-(phenylamino)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 108195387 B, 授权公告日 2022-08-02.
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