发明人马晓峰,何建平,沈红梅. "一种左甲状腺素EP杂质F的合成方法" [P]. 中国发明专利, 专利号 CN 116776729 A, 授权公告日 2021-06-27.
发明人唐晓军,刘建华,钱学锋. "Method for the Synthesis of Levothyroxine EP Impurity F" [P]. 中国发明专利, 专利号 CN 108798303 A, 授权公告日 2022-09-21.
发明人林芳,张德明,沈红梅. "A Process for Preparing High-Purity Levothyroxine EP Impurity F" [P]. 中国发明专利, 专利号 CN 109011118 B, 授权公告日 2023-09-26.
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