发明人赵玉洁,李文辉,唐晓军. "Method for the Synthesis of 1-(2-Hydroxyethyl)-3-(propan-2-yl)-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116527033 B, 授权公告日 2015-01-17.
发明人林芳,张德明,孙丽萍. "A Process for Preparing High-Purity 1-(2-Hydroxyethyl)-3-(propan-2-yl)-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114134285 B, 授权公告日 2021-03-08.
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