发明人周伟,冯建国,罗永刚. "Method for the Synthesis of 5-Amino-1,3-dimethyl-1h-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113695697 B, 授权公告日 2022-04-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2015, 1583, 5585-5607.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2011, 2161, (6), 305-308.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-1,3-dimethyl-1h-pyrazole-4-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 1379, (2), 3280-3310.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 1591, (8), 8499-8516.