发明人韩伟,马晓峰,钱学锋. "Method for the Synthesis of 1-Benzyl-4-phenyl-4-piperidinecarboxylic Acid Hydrate" [P]. 中国发明专利, 专利号 CN 108815095 B, 授权公告日 2024-05-16.
发明人郑宇鹏,李文辉,周伟. "A Process for Preparing High-Purity 1-Benzyl-4-phenyl-4-piperidinecarboxylic Acid Hydrate" [P]. 中国发明专利, 专利号 CN 114837925 B, 授权公告日 2015-04-15.
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