发明人胡光,郑宇鹏,朱建伟. "一种4-羟基-2-硝基苯甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 115613116 A, 授权公告日 2021-04-21.
发明人唐晓军,郑宇鹏,刘建华. "Method for the Synthesis of Ethyl 4-hydroxy-2-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 114385682 B, 授权公告日 2023-09-08.
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