发明人徐明华,赵玉洁,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111355707 A, 授权公告日 2022-09-25.
发明人黄志刚,陈志强,郭海燕. "Method for the Synthesis of 4-[Acetyl-[3-(Trifluoromethyl)Phenyl]Amino]Butanoic Acid" [P]. 中国发明专利, 专利号 CN 113403481 A, 授权公告日 2019-10-23.
发明人胡光,孙丽萍,钱学锋. "A Process for Preparing High-Purity 4-[Acetyl-[3-(Trifluoromethyl)Phenyl]Amino]Butanoic Acid" [P]. 中国发明专利, 专利号 CN 117036922 A, 授权公告日 2019-01-28.
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