发明人刘建华,胡光,高志强. "一种头孢泊肟酯EP杂质G的合成方法" [P]. 中国发明专利, 专利号 CN 108019618 A, 授权公告日 2021-07-24.
发明人朱建伟,周伟,刘建华. "Method for the Synthesis of Cefpodoxime Proxetil EP Impurity G" [P]. 中国发明专利, 专利号 CN 108664438 A, 授权公告日 2023-11-14.
发明人杨光,唐晓军,韩伟. "A Process for Preparing High-Purity Cefpodoxime Proxetil EP Impurity G" [P]. 中国发明专利, 专利号 CN 113034085 A, 授权公告日 2024-09-12.
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