发明人孙丽萍,陈志强,郑宇鹏. "Method for the Synthesis of 5-(2-(4-Chlorophenyl)-2-oxoethylidene)-2-imino-3-(o-tolyl)oxazolidin-4-one" [P]. 中国发明专利, 专利号 CN 117105284 A, 授权公告日 2024-06-23.
发明人朱建伟,何建平,胡光. "A Process for Preparing High-Purity 5-(2-(4-Chlorophenyl)-2-oxoethylidene)-2-imino-3-(o-tolyl)oxazolidin-4-one" [P]. 中国发明专利, 专利号 CN 116285806 B, 授权公告日 2016-04-08.
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