发明人林芳,孙丽萍,钱学锋. "Method for the Synthesis of 3-(2-methoxyphenyl)-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110163911 B, 授权公告日 2017-07-13.
Rossi M, Johansson L, Sørensen M. "A Process for Preparing High-Purity 3-(2-methoxyphenyl)-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. European Patent, EP 3412261 A1, 2019-10-20.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 3-(2-methoxyphenyl)-1-methyl-1H-pyrazole-4-carboxylic acid in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 1619, 1330-1344.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-(2-methoxyphenyl)-1-methyl-1H-pyrazole-4-carboxylic acid as an Impurity". Anal. Methods, 2022, 684, 6634-6664.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-methoxyphenyl)-1-methyl-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Chromatographia, 2011, 262, 1048-1071.