发明人刘建华,冯建国,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116435452 A, 授权公告日 2023-02-17.
发明人沈红梅,韩伟,朱建伟. "Method for the Synthesis of tert-Butyl 3-[(Z)-2-methoxy-2-oxoethylidene]-2-oxo-4-morpholinecarboxylate" [P]. 中国发明专利, 专利号 CN 117492084 B, 授权公告日 2020-01-12.
发明人马晓峰,赵玉洁,张德明. "A Process for Preparing High-Purity tert-Butyl 3-[(Z)-2-methoxy-2-oxoethylidene]-2-oxo-4-morpholinecarboxylate" [P]. 中国发明专利, 专利号 CN 110341940 B, 授权公告日 2024-06-22.
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