发明人徐明华,孙丽萍,杨光. "Method for the Synthesis of 2-(4-Piperidinyl)ethyl benzoate hydrochloride" [P]. 中国发明专利, 专利号 CN 111155358 A, 授权公告日 2019-04-16.
发明人徐明华,何建平,郭海燕. "A Process for Preparing High-Purity 2-(4-Piperidinyl)ethyl benzoate hydrochloride" [P]. 中国发明专利, 专利号 CN 109084794 B, 授权公告日 2022-03-05.
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