发明人郑宇鹏,何建平,冯建国. "Method for the Synthesis of N-[3-(Trifluoromethyl)phenyl]-2,3-dihydro-4H-1,4-benzothiazine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 109056510 A, 授权公告日 2015-01-16.
发明人郑宇鹏,沈红梅,李文辉. "A Process for Preparing High-Purity N-[3-(Trifluoromethyl)phenyl]-2,3-dihydro-4H-1,4-benzothiazine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 115679329 B, 授权公告日 2022-07-08.
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