发明人郭海燕,冯建国,杨光. "Method for the Synthesis of 5-((tert-Butoxycarbonyl)amino)-1-methyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111671847 B, 授权公告日 2023-10-15.
发明人张德明,唐晓军,沈红梅. "A Process for Preparing High-Purity 5-((tert-Butoxycarbonyl)amino)-1-methyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116707829 A, 授权公告日 2017-01-05.
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