发明人韩伟,沈红梅,罗永刚. "Method for the Synthesis of 21767-12-4
3-(3-Methyl-1,2,4-oxadiazol-5-yl)piperidine
MFCD07801211" [P]. 中国发明专利, 专利号 CN 113575169 B, 授权公告日 2019-06-27.
发明人罗永刚,黄志刚,李文辉. "A Process for Preparing High-Purity 21767-12-4
3-(3-Methyl-1,2,4-oxadiazol-5-yl)piperidine
MFCD07801211" [P]. 中国发明专利, 专利号 CN 112062931 B, 授权公告日 2022-05-04.
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