发明人郑宇鹏,徐明华,张德明. "一种去甲肾上腺素杂质47的合成方法" [P]. 中国发明专利, 专利号 CN 117365201 A, 授权公告日 2023-03-22.
发明人郭海燕,王建平,朱建伟. "Method for the Synthesis of Norepinephrine Impurity 47" [P]. 中国发明专利, 专利号 CN 108259773 B, 授权公告日 2025-04-12.
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