发明人冯建国,马晓峰,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115004607 A, 授权公告日 2018-07-19.
发明人周伟,马晓峰,陈志强. "Method for the Synthesis of (5Z)-5-[(Dimethylamino)methylidene]-4-methyl-3-(4-nitrophenyl)-2,5-dihydrofuran-2-one" [P]. 中国发明专利, 专利号 CN 109568389 B, 授权公告日 2023-03-11.
发明人赵玉洁,黄志刚,韩伟. "A Process for Preparing High-Purity (5Z)-5-[(Dimethylamino)methylidene]-4-methyl-3-(4-nitrophenyl)-2,5-dihydrofuran-2-one" [P]. 中国发明专利, 专利号 CN 115407779 A, 授权公告日 2022-02-20.
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