发明人冯建国,罗永刚,刘建华. "一种4-羟基-3-硝基吡啶-2-甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 109263834 A, 授权公告日 2020-03-05.
发明人陈志强,张德明,郭海燕. "Method for the Synthesis of Ethyl 4-Hydroxy-3-nitropyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117383985 A, 授权公告日 2020-02-25.
发明人张德明,朱建伟,马晓峰. "A Process for Preparing High-Purity Ethyl 4-Hydroxy-3-nitropyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117196009 B, 授权公告日 2021-07-22.
参考文献 Literature
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