发明人沈红梅,韩伟,徐明华. "Method for the Synthesis of 5-amino-1-phenyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117354081 A, 授权公告日 2017-11-28.
发明人徐明华,王建平,黄志刚. "A Process for Preparing High-Purity 5-amino-1-phenyl-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115699212 A, 授权公告日 2024-07-10.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2011, 2267, 9649-9668.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2019, 1190, (5), 4864-4888.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-amino-1-phenyl-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". Phytochemistry, 2016, 262, (3), 4666-4676.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1768, 4061-4085.