发明人罗永刚,黄志刚,张德明. "一种3-硝基-4-乙氧基吡啶的合成方法" [P]. 中国发明专利, 专利号 CN 112907528 A, 授权公告日 2021-12-27.
发明人罗永刚,朱建伟,钱学锋. "Method for the Synthesis of 4-Ethoxy-3-nitropyridine" [P]. 中国发明专利, 专利号 CN 114821435 B, 授权公告日 2022-02-23.
发明人王建平,韩伟,郑宇鹏. "A Process for Preparing High-Purity 4-Ethoxy-3-nitropyridine" [P]. 中国发明专利, 专利号 CN 108814337 A, 授权公告日 2025-12-06.
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