发明人郑宇鹏,何建平,黄志刚. "Method for the Synthesis of Ethyl 5-(2-(diethylamino)ethoxy)-3-methyl-1-phenyl-1H-pyrazole-4-carboxylate dihydrochloride" [P]. 中国发明专利, 专利号 CN 112298504 A, 授权公告日 2019-02-08.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2025, 1338, 2873-2894.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 134, 9424-9446.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-(2-(diethylamino)ethoxy)-3-methyl-1-phenyl-1H-pyrazole-4-carboxylate dihydrochloride Using HRMS and NMR". Anal. Chem., 2014, 103, 6760-6772.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2025, 970, (11), 2882-2894.