发明人林芳,郭海燕,杨光. "Method for the Synthesis of 7-Methoxy-2,3-dihydro-4H-pyrano[2,3-b]pyridin-4-one" [P]. 中国发明专利, 专利号 CN 111108867 A, 授权公告日 2022-01-09.
发明人周伟,高志强,杨光. "A Process for Preparing High-Purity 7-Methoxy-2,3-dihydro-4H-pyrano[2,3-b]pyridin-4-one" [P]. 中国发明专利, 专利号 CN 116877446 A, 授权公告日 2024-05-01.
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