Roberts E F, Thompson G K, Park J H. "一种的合成方法" [P]. US Patent, US 10207780 B2, 2018-05-20.
发明人杨光,钱学锋,沈红梅. "Method for the Synthesis of 2-Amino-6-(hydroxymethyl)-8-oxo-4-(pyridin-3-yl)-4H,8H-pyrano[3,2-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 112266768 B, 授权公告日 2020-01-09.
发明人马晓峰,郑宇鹏,周伟. "A Process for Preparing High-Purity 2-Amino-6-(hydroxymethyl)-8-oxo-4-(pyridin-3-yl)-4H,8H-pyrano[3,2-b]pyran-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 110497891 B, 授权公告日 2023-12-23.
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