发明人冯建国,李文辉,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109355993 A, 授权公告日 2025-04-15.
发明人何建平,朱建伟,韩伟. "Method for the Synthesis of 2-Methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113332518 B, 授权公告日 2021-04-15.
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