发明人韩伟,沈红梅,张德明. "一种5-溴-DL-色氨酸甲酯盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 110755443 A, 授权公告日 2021-01-08.
发明人杨光,马晓峰,郑宇鹏. "Method for the Synthesis of 5-Bromo-DL-tryptophan Methyl Ester Hydrochloride" [P]. 中国发明专利, 专利号 CN 113859513 A, 授权公告日 2025-08-09.
发明人杨光,朱建伟,陈志强. "A Process for Preparing High-Purity 5-Bromo-DL-tryptophan Methyl Ester Hydrochloride" [P]. 中国发明专利, 专利号 CN 108728171 A, 授权公告日 2021-01-20.
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