发明人赵玉洁,李文辉,张德明. "Method for the Synthesis of Pyridoxine Impurity 20" [P]. 中国发明专利, 专利号 CN 117518488 A, 授权公告日 2022-04-02.
Kowalski A, Schröder R, Nowak P. "A Process for Preparing High-Purity Pyridoxine Impurity 20" [P]. European Patent, EP 3630127 A1, 2025-05-18.
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