Sørensen M, Nowak P, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3081562 A1, 2015-08-13.
发明人林芳,冯建国,朱建伟. "Method for the Synthesis of Ethyl 5-amino-4-bromo-1-isobutyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110226992 A, 授权公告日 2021-02-05.
发明人陈志强,郑宇鹏,周伟. "A Process for Preparing High-Purity Ethyl 5-amino-4-bromo-1-isobutyl-1H-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116915353 A, 授权公告日 2017-12-11.
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". Chromatographia, 2019, 2440, 493-522.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2013, 2029, 3153-3165.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-amino-4-bromo-1-isobutyl-1H-pyrazole-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2010, 2125, 23-32.