发明人杨光,孙丽萍,徐明华. "Method for the Synthesis of 1-(4-Nitro-1H-pyrazol-5-yl)ethanone" [P]. 中国发明专利, 专利号 CN 109779040 B, 授权公告日 2018-07-07.
发明人何建平,周伟,马晓峰. "A Process for Preparing High-Purity 1-(4-Nitro-1H-pyrazol-5-yl)ethanone" [P]. 中国发明专利, 专利号 CN 110044063 B, 授权公告日 2023-09-11.
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