Patel M V, Schröder R, Yamamoto T. "一种4-氧代-4H-吡喃-2,5-二羧酸二乙酯的合成方法" [P]. US Patent, US 11953092 B2, 2022-01-11.
发明人刘建华,黄志刚,高志强. "Method for the Synthesis of Diethyl 4-oxo-4H-pyran-2,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 116346139 A, 授权公告日 2015-12-07.
发明人何建平,周伟,徐明华. "A Process for Preparing High-Purity Diethyl 4-oxo-4H-pyran-2,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113484967 A, 授权公告日 2020-12-23.
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