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发明人张德明,黄志刚,郑宇鹏. "Method for the Synthesis of 4-Nitro-1H-pyrazole-3,5-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 109344107 A, 授权公告日 2015-11-18.
发明人郭海燕,马晓峰,何建平. "A Process for Preparing High-Purity 4-Nitro-1H-pyrazole-3,5-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 108215411 B, 授权公告日 2017-09-13.
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