发明人刘建华,钱学锋,张德明. "Method for the Synthesis of Benzylpenicillin Impurity N1" [P]. 中国发明专利, 专利号 CN 113330050 B, 授权公告日 2024-10-25.
Roberts E F, O'Brien P Q, Kumar R. "A Process for Preparing High-Purity Benzylpenicillin Impurity N1" [P]. US Patent, US 10697004 B2, 2025-08-05.
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