发明人刘建华,何建平,李文辉. "Method for the Synthesis of 4-((Azetidin-3-yloxy)methyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 111967408 A, 授权公告日 2015-10-15.
发明人唐晓军,高志强,冯建国. "A Process for Preparing High-Purity 4-((Azetidin-3-yloxy)methyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 110382436 B, 授权公告日 2015-05-14.
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