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发明人郭海燕,高志强,杨光. "A Process for Preparing High-Purity 2-(Azetidin-1-yl)-3-chloro-5-(trifluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 112922663 B, 授权公告日 2018-06-24.
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