发明人张德明,孙丽萍,陈志强. "Method for the Synthesis of Ceftizoxime Open-ring decarboxylation Dimer Impurity 57" [P]. 中国发明专利, 专利号 CN 111146544 B, 授权公告日 2024-02-22.
发明人钱学锋,郑宇鹏,张德明. "A Process for Preparing High-Purity Ceftizoxime Open-ring decarboxylation Dimer Impurity 57" [P]. 中国发明专利, 专利号 CN 115847467 A, 授权公告日 2025-06-06.
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