发明人王建平,张德明,郭海燕. "Method for the Synthesis of 7-Methyl-4-oxo-1-((tetrahydrofuran-2-yl)methyl)-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112007904 A, 授权公告日 2025-06-25.
发明人沈红梅,赵玉洁,徐明华. "A Process for Preparing High-Purity 7-Methyl-4-oxo-1-((tetrahydrofuran-2-yl)methyl)-2-thioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116473079 B, 授权公告日 2022-03-14.
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