发明人徐明华,郭海燕,王建平. "Method for the Synthesis of 2-({5,7-dimethylpyrazolo[1,5-a]pyrimidin-2-yl}oxy)acetic acid" [P]. 中国发明专利, 专利号 CN 117224952 B, 授权公告日 2022-04-15.
发明人冯建国,胡光,刘建华. "A Process for Preparing High-Purity 2-({5,7-dimethylpyrazolo[1,5-a]pyrimidin-2-yl}oxy)acetic acid" [P]. 中国发明专利, 专利号 CN 109484953 B, 授权公告日 2015-03-27.
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