Mueller T C, Lefèvre J P, Sørensen M. "Method for the Synthesis of 1-(3-(3-(Pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)-2-(thiophen-2-yl)ethan-1-one" [P]. European Patent, EP 3543785 A1, 2019-09-23.
发明人胡光,李文辉,郑宇鹏. "A Process for Preparing High-Purity 1-(3-(3-(Pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)-2-(thiophen-2-yl)ethan-1-one" [P]. 中国发明专利, 专利号 CN 111124817 A, 授权公告日 2018-09-18.
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