发明人张德明,钱学锋,朱建伟. "一种3-硝基吡啶-2-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 113825376 A, 授权公告日 2020-09-16.
发明人刘建华,唐晓军,罗永刚. "Method for the Synthesis of 3-Nitropyridine-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 109718956 B, 授权公告日 2020-06-17.
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