发明人刘建华,赵玉洁,何建平. "Method for the Synthesis of 1-Benzyl-3-((p-tolylamino)methylene)-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 110929564 A, 授权公告日 2016-07-24.
发明人罗永刚,冯建国,孙丽萍. "A Process for Preparing High-Purity 1-Benzyl-3-((p-tolylamino)methylene)-1H-benzo[c][1,2]thiazin-4(3H)-one 2,2-dioxide" [P]. 中国发明专利, 专利号 CN 108784519 A, 授权公告日 2022-05-15.
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