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发明人林芳,冯建国,王建平. "A Process for Preparing High-Purity 2-Amino-N-(1-(2,5-dimethylthiophen-3-yl)ethyl)butanamide" [P]. 中国发明专利, 专利号 CN 114623852 B, 授权公告日 2021-06-01.
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