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发明人罗永刚,韩伟,何建平. "Method for the Synthesis of (S)-Phenylephrine EP Impurity A HCl" [P]. 中国发明专利, 专利号 CN 113361862 A, 授权公告日 2015-05-22.
发明人钱学锋,李文辉,唐晓军. "A Process for Preparing High-Purity (S)-Phenylephrine EP Impurity A HCl" [P]. 中国发明专利, 专利号 CN 114304457 A, 授权公告日 2024-07-25.
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