发明人王建平,朱建伟,何建平. "Method for the Synthesis of 4-(5-Ethoxy-4-methyl-1H-pyrazol-3-yl)pyridine" [P]. 中国发明专利, 专利号 CN 115816612 A, 授权公告日 2021-06-09.
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". Biomed. Chromatogr., 2018, 687, 8101-8128.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 2470, 4389-4410.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(5-Ethoxy-4-methyl-1H-pyrazol-3-yl)pyridine Using HRMS and NMR". Anal. Chem., 2016, 2453, (1), 1315-1342.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2012, 928, 4410-4420.