Sørensen M, Mueller T C, Schröder R. "Method for the Synthesis of 890591-56-7
3-(4-ethoxyphenyl)-1H-pyrazole-5-carboxylic acid
DTXSID10390262" [P]. European Patent, EP 3728590 A1, 2023-02-09.
发明人郑宇鹏,高志强,马晓峰. "A Process for Preparing High-Purity 890591-56-7
3-(4-ethoxyphenyl)-1H-pyrazole-5-carboxylic acid
DTXSID10390262" [P]. 中国发明专利, 专利号 CN 113790236 A, 授权公告日 2019-02-28.
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