发明人郑宇鹏,郭海燕,张德明. "Method for the Synthesis of 4-((Dimethylamino)methylene)-2-ethyloxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 116651167 B, 授权公告日 2025-03-05.
发明人朱建伟,钱学锋,王建平. "A Process for Preparing High-Purity 4-((Dimethylamino)methylene)-2-ethyloxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 115394263 A, 授权公告日 2022-12-23.
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