发明人罗永刚,林芳,马晓峰. "Method for the Synthesis of 2-chloro-7-[(1S)-1-methoxyethyl]pyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108425120 A, 授权公告日 2021-11-28.
发明人孙丽萍,周伟,王建平. "A Process for Preparing High-Purity 2-chloro-7-[(1S)-1-methoxyethyl]pyrazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110957888 A, 授权公告日 2023-05-04.
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