发明人张德明,郭海燕,钱学锋. "Method for the Synthesis of 7-Methyl-2-oxo-3-phenyl-1,2-dihydropyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110792947 B, 授权公告日 2017-02-12.
发明人唐晓军,陈志强,李文辉. "A Process for Preparing High-Purity 7-Methyl-2-oxo-3-phenyl-1,2-dihydropyrazolo[1,5-a]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113599509 B, 授权公告日 2025-02-20.
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