发明人赵玉洁,钱学锋,罗永刚. "一种3-氧代-2H-1,4-苯并噻嗪-6-甲酸甲酯的合成方法" [P]. 中国发明专利, 专利号 CN 113535920 A, 授权公告日 2020-01-18.
发明人郭海燕,马晓峰,陈志强. "Method for the Synthesis of Methyl 3-Oxo-2H-1,4-benzothiazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117730805 A, 授权公告日 2024-01-17.
发明人刘建华,张德明,沈红梅. "A Process for Preparing High-Purity Methyl 3-Oxo-2H-1,4-benzothiazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115856622 A, 授权公告日 2025-07-08.
参考文献 Literature
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O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-Oxo-2H-1,4-benzothiazine-6-carboxylate Using HRMS and NMR". Chemosphere, 2025, 2289, (4), 6434-6442.