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发明人孙丽萍,郭海燕,李文辉. "Method for the Synthesis of 2-((4-Methoxyphenyl)imino)-3-methyl-4-oxo-1,3-thiazinane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110673562 A, 授权公告日 2022-08-13.
发明人罗永刚,陈志强,胡光. "A Process for Preparing High-Purity 2-((4-Methoxyphenyl)imino)-3-methyl-4-oxo-1,3-thiazinane-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114996418 B, 授权公告日 2024-02-02.
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