Johansson L, Lefèvre J P, Rossi M. "一种1-(2-cyanoethyl)-5-phenyl-1H-pyrazole-4-carboxylic acid的合成方法" [P]. European Patent, EP 3541980 A1, 2018-01-02.
发明人胡光,朱建伟,赵玉洁. "Method for the Synthesis of 1-(2-cyanoethyl)-5-phenyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109620393 B, 授权公告日 2023-10-18.
发明人黄志刚,郭海燕,高志强. "A Process for Preparing High-Purity 1-(2-cyanoethyl)-5-phenyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113495664 B, 授权公告日 2022-07-19.
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