发明人韩伟,马晓峰,赵玉洁. "Method for the Synthesis of 1-(((6R,7R)-2-Carboxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)pyridin-1-ium chloride" [P]. 中国发明专利, 专利号 CN 114588284 A, 授权公告日 2023-06-09.
发明人孙丽萍,徐明华,周伟. "A Process for Preparing High-Purity 1-(((6R,7R)-2-Carboxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)pyridin-1-ium chloride" [P]. 中国发明专利, 专利号 CN 115644896 A, 授权公告日 2017-06-27.
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