发明人李文辉,钱学锋,孙丽萍. "Method for the Synthesis of FOY-251 benzyl ester hydrochloride, >98%" [P]. 中国发明专利, 专利号 CN 113017044 B, 授权公告日 2021-10-24.
发明人杨光,何建平,沈红梅. "A Process for Preparing High-Purity FOY-251 benzyl ester hydrochloride, >98%" [P]. 中国发明专利, 专利号 CN 112172801 A, 授权公告日 2020-11-07.
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