发明人李文辉,孙丽萍,林芳. "Method for the Synthesis of 2-Thioxo-2,3-dihydrobenzo[d]oxazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 110990188 A, 授权公告日 2022-08-14.
发明人沈红梅,陈志强,张德明. "A Process for Preparing High-Purity 2-Thioxo-2,3-dihydrobenzo[d]oxazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 114792439 B, 授权公告日 2023-12-07.
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