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发明人罗永刚,李文辉,郭海燕. "Method for the Synthesis of 6-Nitro-2-oxo-1,2-dihydroquinoline-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113116052 A, 授权公告日 2024-08-26.
发明人唐晓军,孙丽萍,罗永刚. "A Process for Preparing High-Purity 6-Nitro-2-oxo-1,2-dihydroquinoline-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112627486 B, 授权公告日 2025-06-11.
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