发明人高志强,唐晓军,徐明华. "Method for the Synthesis of 4-Amino-3-(2,3-dihydrobenzofuran-5-yl)butanoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 109016700 B, 授权公告日 2020-04-18.
发明人杨光,高志强,韩伟. "A Process for Preparing High-Purity 4-Amino-3-(2,3-dihydrobenzofuran-5-yl)butanoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 116869635 B, 授权公告日 2019-09-18.
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