发明人黄志刚,孙丽萍,何建平. "Method for the Synthesis of Sulbactam Impurity 38" [P]. 中国发明专利, 专利号 CN 109020562 B, 授权公告日 2020-09-27.
发明人何建平,孙丽萍,张德明. "A Process for Preparing High-Purity Sulbactam Impurity 38" [P]. 中国发明专利, 专利号 CN 112925179 B, 授权公告日 2024-03-27.
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