发明人李文辉,罗永刚,郑宇鹏. "Method for the Synthesis of 1-Methyl-5-(thiophene-2-carboxamido)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113555315 A, 授权公告日 2019-02-13.
发明人冯建国,徐明华,郑宇鹏. "A Process for Preparing High-Purity 1-Methyl-5-(thiophene-2-carboxamido)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109721582 B, 授权公告日 2024-11-18.
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