发明人孙丽萍,胡光,朱建伟. "Method for the Synthesis of ethyl 2-(1-benzylpiperidin-3-ylidene)acetate" [P]. 中国发明专利, 专利号 CN 116777273 B, 授权公告日 2024-10-04.
发明人王建平,徐明华,韩伟. "A Process for Preparing High-Purity ethyl 2-(1-benzylpiperidin-3-ylidene)acetate" [P]. 中国发明专利, 专利号 CN 110741888 B, 授权公告日 2016-05-19.
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