发明人唐晓军,冯建国,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114230489 A, 授权公告日 2015-10-20.
发明人唐晓军,刘建华,李文辉. "Method for the Synthesis of 5-(2-tert-Butoxycarbonylamino-ethyl)-1-tert-butyl-1H-pyrazole-4-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 115389264 B, 授权公告日 2023-12-21.
发明人罗永刚,马晓峰,胡光. "A Process for Preparing High-Purity 5-(2-tert-Butoxycarbonylamino-ethyl)-1-tert-butyl-1H-pyrazole-4-carboxylic acid methyl ester" [P]. 中国发明专利, 专利号 CN 108175503 A, 授权公告日 2019-03-07.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2019, 2084, (10), 2004-2027.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2022, 2445, 7606-7625.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-tert-Butoxycarbonylamino-ethyl)-1-tert-butyl-1H-pyrazole-4-carboxylic acid methyl ester Using HRMS and NMR". Chromatographia, 2020, 1658, (9), 3649-3669.