发明人赵玉洁,王建平,李文辉. "Method for the Synthesis of 6-nitropyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117524679 A, 授权公告日 2019-11-26.
发明人赵玉洁,徐明华,郭海燕. "A Process for Preparing High-Purity 6-nitropyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111920899 A, 授权公告日 2023-02-21.
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