发明人林芳,王建平,何建平. "Method for the Synthesis of Ethyl 4-oxo-2-(propylamino)-4,5-dihydrofuran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108519902 B, 授权公告日 2024-05-07.
发明人高志强,何建平,冯建国. "A Process for Preparing High-Purity Ethyl 4-oxo-2-(propylamino)-4,5-dihydrofuran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111484800 B, 授权公告日 2021-08-24.
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