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发明人钱学锋,周伟,王建平. "A Process for Preparing High-Purity n,3-Dimethyl-N-(thiophen-3-ylmethyl)but-2-enamide" [P]. 中国发明专利, 专利号 CN 111552049 A, 授权公告日 2023-06-12.
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