发明人刘建华,张德明,沈红梅. "Method for the Synthesis of 5-(2,6-Dichloropyridin-4-yl)-1,3,4-oxadiazole-2-thiol" [P]. 中国发明专利, 专利号 CN 112933000 B, 授权公告日 2017-06-19.
发明人刘建华,孙丽萍,黄志刚. "A Process for Preparing High-Purity 5-(2,6-Dichloropyridin-4-yl)-1,3,4-oxadiazole-2-thiol" [P]. 中国发明专利, 专利号 CN 109471236 A, 授权公告日 2023-04-13.
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