发明人郭海燕,陈志强,沈红梅. "Method for the Synthesis of 5-Methyl-2-(methylthio)-7-oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114181366 A, 授权公告日 2025-12-02.
发明人王建平,唐晓军,孙丽萍. "A Process for Preparing High-Purity 5-Methyl-2-(methylthio)-7-oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117870910 B, 授权公告日 2020-05-02.
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