发明人王建平,胡光,张德明. "Method for the Synthesis of 4-(3-Cyano-6-methyl-4,4-dioxido-1H-benzo[e][1,3,4]thiadiazin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 116494911 A, 授权公告日 2018-05-14.
发明人黄志刚,杨光,胡光. "A Process for Preparing High-Purity 4-(3-Cyano-6-methyl-4,4-dioxido-1H-benzo[e][1,3,4]thiadiazin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 113534936 A, 授权公告日 2023-02-02.
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