发明人李文辉,冯建国,高志强. "一种头孢唑肟杂质75(异构体混合物)的合成方法" [P]. 中国发明专利, 专利号 CN 109512977 A, 授权公告日 2021-10-10.
发明人郭海燕,黄志刚,刘建华. "Method for the Synthesis of Ceftizoxime Impurity 74(isomers mixture)" [P]. 中国发明专利, 专利号 CN 116739796 A, 授权公告日 2022-02-28.
发明人朱建伟,徐明华,马晓峰. "A Process for Preparing High-Purity Ceftizoxime Impurity 74(isomers mixture)" [P]. 中国发明专利, 专利号 CN 111452996 B, 授权公告日 2019-01-06.
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