发明人徐明华,马晓峰,罗永刚. "Method for the Synthesis of 3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111819848 A, 授权公告日 2016-02-24.
发明人杨光,唐晓军,黄志刚. "A Process for Preparing High-Purity 3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115352699 B, 授权公告日 2023-01-19.
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