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发明人胡光,徐明华,王建平. "A Process for Preparing High-Purity (2E)-2-[(Dimethylamino)methylidene]-3,4-dihydro-2H-1,4-benzothiazin-3-one" [P]. 中国发明专利, 专利号 CN 110643784 A, 授权公告日 2022-01-28.
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