发明人周伟,赵玉洁,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111602958 A, 授权公告日 2018-03-16.
发明人王建平,张德明,何建平. "Method for the Synthesis of 5-(5-Chlorothiophen-2-yl)-N'-(3-ethoxy-4-hydroxybenzylidene)-1H-pyrazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 111990643 B, 授权公告日 2024-03-22.
发明人胡光,赵玉洁,沈红梅. "A Process for Preparing High-Purity 5-(5-Chlorothiophen-2-yl)-N'-(3-ethoxy-4-hydroxybenzylidene)-1H-pyrazole-3-carbohydrazide" [P]. 中国发明专利, 专利号 CN 114721150 A, 授权公告日 2024-02-04.
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