发明人徐明华,唐晓军,韩伟. "Method for the Synthesis of 5-(Tetrahydro-2h-pyran-4-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117612486 B, 授权公告日 2017-02-13.
发明人赵玉洁,王建平,高志强. "A Process for Preparing High-Purity 5-(Tetrahydro-2h-pyran-4-yl)-1,2,4-oxadiazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112633790 A, 授权公告日 2019-08-28.
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