发明人陈志强,孙丽萍,韩伟. "Method for the Synthesis of 头孢呋辛杂质27" [P]. 中国发明专利, 专利号 CN 113918709 B, 授权公告日 2019-09-17.
发明人马晓峰,沈红梅,高志强. "A Process for Preparing High-Purity 头孢呋辛杂质27" [P]. 中国发明专利, 专利号 CN 114269080 B, 授权公告日 2020-09-06.
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