发明人孙丽萍,胡光,刘建华. "Method for the Synthesis of 5-[(4-amino-3,5-dimethyl-1H-pyrazol-1-yl)methyl]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115429539 B, 授权公告日 2020-09-13.
发明人冯建国,赵玉洁,徐明华. "A Process for Preparing High-Purity 5-[(4-amino-3,5-dimethyl-1H-pyrazol-1-yl)methyl]thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109909952 B, 授权公告日 2023-04-02.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 5-[(4-amino-3,5-dimethyl-1H-pyrazol-1-yl)methyl]thiophene-2-carboxylic acid in Pharmaceutical Formulations". Molecules, 2014, 2178, 1564-1567.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-[(4-amino-3,5-dimethyl-1H-pyrazol-1-yl)methyl]thiophene-2-carboxylic acid as an Impurity". J. Chromatogr. A, 2013, 477, (2), 7712-7727.