发明人林芳,马晓峰,何建平. "Method for the Synthesis of Ethyl 4-bromo-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116088001 B, 授权公告日 2015-07-01.
发明人周伟,韩伟,罗永刚. "A Process for Preparing High-Purity Ethyl 4-bromo-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111354607 B, 授权公告日 2023-07-10.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2012, 446, (2), 7615-7626.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 1281, 6018-6037.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-bromo-1H-pyrazole-3-carboxylate Using HRMS and NMR". Anal. Chem., 2021, 1907, (9), 895-905.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2016, 2247, 4902-4926.