发明人何建平,杨光,罗永刚. "Method for the Synthesis of Ethyl (2,6-dichloro-3-nitropyridin-4-yl)carbamate" [P]. 中国发明专利, 专利号 CN 117142916 B, 授权公告日 2017-03-14.
发明人冯建国,黄志刚,韩伟. "A Process for Preparing High-Purity Ethyl (2,6-dichloro-3-nitropyridin-4-yl)carbamate" [P]. 中国发明专利, 专利号 CN 110209806 B, 授权公告日 2022-12-23.
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