发明人王建平,唐晓军,马晓峰. "Method for the Synthesis of 5-Nitro-1,10-phenanthroline-2,9-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 111535012 B, 授权公告日 2020-03-21.
发明人胡光,冯建国,罗永刚. "A Process for Preparing High-Purity 5-Nitro-1,10-phenanthroline-2,9-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 117204219 B, 授权公告日 2016-11-21.
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