发明人韩伟,周伟,孙丽萍. "Method for the Synthesis of 1-(3,4-Difluorophenyl)-1h-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108988386 A, 授权公告日 2020-05-01.
发明人张德明,罗永刚,高志强. "A Process for Preparing High-Purity 1-(3,4-Difluorophenyl)-1h-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114216088 A, 授权公告日 2015-09-20.
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