发明人郭海燕,徐明华,冯建国. "Method for the Synthesis of tert-butyl 3-[(2-cyanopyridin-4-yl)oxy]pyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 112692995 A, 授权公告日 2018-09-27.
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