发明人张德明,朱建伟,胡光. "Method for the Synthesis of 6-Methoxy-2h-spiro[benzofuran-3,4'-piperidine] hydrochloride" [P]. 中国发明专利, 专利号 CN 110909693 A, 授权公告日 2019-11-15.
发明人黄志刚,高志强,郭海燕. "A Process for Preparing High-Purity 6-Methoxy-2h-spiro[benzofuran-3,4'-piperidine] hydrochloride" [P]. 中国发明专利, 专利号 CN 116107366 B, 授权公告日 2016-11-20.
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