发明人李文辉,韩伟,何建平. "Method for the Synthesis of 3-Amino-1-(2,2-difluoroethyl)-1h-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108456260 A, 授权公告日 2019-02-06.
Martínez F, Nowak P, Johansson L. "A Process for Preparing High-Purity 3-Amino-1-(2,2-difluoroethyl)-1h-pyrazole-5-carboxylic acid" [P]. European Patent, EP 3557147 A1, 2017-10-01.
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