发明人徐明华,沈红梅,赵玉洁. "Method for the Synthesis of Etafedrine HCl (mixture of diastereomers)" [P]. 中国发明专利, 专利号 CN 108026984 B, 授权公告日 2020-12-21.
发明人郭海燕,韩伟,刘建华. "A Process for Preparing High-Purity Etafedrine HCl (mixture of diastereomers)" [P]. 中国发明专利, 专利号 CN 114497916 B, 授权公告日 2020-01-22.
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