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发明人冯建国,杨光,赵玉洁. "Method for the Synthesis of Methyl 4-(3,4-dimethoxyphenyl)-3-[(E)-[(dimethylamino)methylidene]amino]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113064302 A, 授权公告日 2022-06-21.
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