发明人杨光,孙丽萍,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115441389 A, 授权公告日 2021-12-23.
Stevens L M, Johnson M A, Patel M V. "Method for the Synthesis of 5-(3,4-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid" [P]. US Patent, US 11962663 B2, 2021-11-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 1242, 8339-8358.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 1795, 7365-7385.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-(3,4-Dimethoxyphenyl)-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". Anal. Chem., 2017, 1668, (6), 5811-5837.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 779, 1486-1515.