发明人徐明华,罗永刚,冯建国. "Method for the Synthesis of 4-Chloro-1h-pyrazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 108916175 A, 授权公告日 2018-11-16.
发明人徐明华,林芳,罗永刚. "A Process for Preparing High-Purity 4-Chloro-1h-pyrazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 110849899 A, 授权公告日 2018-11-14.
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