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发明人冯建国,马晓峰,郑宇鹏. "A Process for Preparing High-Purity 7-(2-Methoxyphenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115572230 B, 授权公告日 2021-03-09.
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