发明人徐明华,刘建华,马晓峰. "Method for the Synthesis of 4-Imino-4-methoxybutanoic Acid Methyl Ester HCl" [P]. 中国发明专利, 专利号 CN 108087689 B, 授权公告日 2023-05-01.
Martínez F, Sørensen M, Nowak P. "A Process for Preparing High-Purity 4-Imino-4-methoxybutanoic Acid Methyl Ester HCl" [P]. European Patent, EP 3113589 A1, 2023-02-11.
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