发明人徐明华,张德明,周伟. "Method for the Synthesis of 2-[4-(Dimethylamino)-1-piperidyl]ethylamine" [P]. 中国发明专利, 专利号 CN 117201047 B, 授权公告日 2017-10-25.
发明人徐明华,钱学锋,何建平. "A Process for Preparing High-Purity 2-[4-(Dimethylamino)-1-piperidyl]ethylamine" [P]. 中国发明专利, 专利号 CN 108351247 A, 授权公告日 2022-01-14.
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