发明人沈红梅,陈志强,黄志刚. "Method for the Synthesis of Trans-3-methyl-8-oxo-7-(2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114661899 B, 授权公告日 2018-08-27.
发明人郭海燕,郑宇鹏,唐晓军. "A Process for Preparing High-Purity Trans-3-methyl-8-oxo-7-(2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117728941 B, 授权公告日 2016-08-14.
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