发明人郑宇鹏,刘建华,高志强. "Method for the Synthesis of 3-Ethyl-1-phenyl-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117061437 A, 授权公告日 2017-03-23.
发明人郭海燕,冯建国,李文辉. "A Process for Preparing High-Purity 3-Ethyl-1-phenyl-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113814329 A, 授权公告日 2015-06-12.
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