发明人韩伟,唐晓军,黄志刚. "Method for the Synthesis of 2-Cyclobutylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109697413 A, 授权公告日 2016-10-11.
发明人唐晓军,冯建国,王建平. "A Process for Preparing High-Purity 2-Cyclobutylpyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110152398 A, 授权公告日 2017-07-02.
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