发明人马晓峰,周伟,郭海燕. "Method for the Synthesis of 4-Nitro-1h-pyrazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 110224673 A, 授权公告日 2015-10-21.
发明人钱学锋,罗永刚,杨光. "A Process for Preparing High-Purity 4-Nitro-1h-pyrazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 116049244 A, 授权公告日 2022-02-14.
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