发明人张德明,周伟,王建平. "一种哌拉西林杂质48的合成方法" [P]. 中国发明专利, 专利号 CN 112803870 A, 授权公告日 2022-03-24.
Williams B T, Johnson M A, Brown S R. "Method for the Synthesis of Bacampicillin Hydrochloride EP Impurity G" [P]. US Patent, US 10020157 B2, 2020-12-24.
发明人钱学锋,何建平,陈志强. "A Process for Preparing High-Purity Bacampicillin Hydrochloride EP Impurity G" [P]. 中国发明专利, 专利号 CN 114510957 A, 授权公告日 2024-11-10.
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