O'Brien P Q, Klinger H, Johnson M A. "一种的合成方法" [P]. US Patent, US 11069119 B2, 2015-09-28.
发明人王建平,林芳,郭海燕. "Method for the Synthesis of Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate 1,1-dioxide" [P]. 中国发明专利, 专利号 CN 116933119 B, 授权公告日 2023-11-28.
Kowalski A, Björnsson E, Nielsen H. "A Process for Preparing High-Purity Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate 1,1-dioxide" [P]. European Patent, EP 3649368 A1, 2024-04-22.
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