发明人徐明华,王建平,张德明. "Method for the Synthesis of 2-(Aminomethyl)-6-cyano-4-(difluoromethyl)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 117774281 A, 授权公告日 2018-01-26.
发明人孙丽萍,周伟,杨光. "A Process for Preparing High-Purity 2-(Aminomethyl)-6-cyano-4-(difluoromethyl)pyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 109374203 B, 授权公告日 2017-05-16.
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