发明人冯建国,唐晓军,郑宇鹏. "Method for the Synthesis of Ethyl 4-(chloromethyl)-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111460918 B, 授权公告日 2022-09-26.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2020, 2310, (7), 7688-7706.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2010, 1609, (1), 8545-8556.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(chloromethyl)-1H-pyrazole-5-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2017, 1536, (9), 2044-2051.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 309, 72-79.