Sørensen M, Lefèvre J P, Nowak P. "一种的合成方法" [P]. European Patent, EP 3387991 A1, 2024-06-20.
发明人马晓峰,钱学锋,杨光. "Method for the Synthesis of methyl 4-oxo-7-(propan-2-yl)-2-sulfanyl-3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109540299 A, 授权公告日 2019-07-16.
发明人郭海燕,沈红梅,赵玉洁. "A Process for Preparing High-Purity methyl 4-oxo-7-(propan-2-yl)-2-sulfanyl-3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112172779 B, 授权公告日 2025-04-01.
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