发明人孙丽萍,黄志刚,张德明. "Method for the Synthesis of tert-Butyl ((5-chloropyrazin-2-yl)methyl)carbamate dihydrochloride" [P]. 中国发明专利, 专利号 CN 115874384 A, 授权公告日 2025-05-21.
发明人郭海燕,韩伟,钱学锋. "A Process for Preparing High-Purity tert-Butyl ((5-chloropyrazin-2-yl)methyl)carbamate dihydrochloride" [P]. 中国发明专利, 专利号 CN 114700593 A, 授权公告日 2025-07-16.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2014, 105, (7), 9973-10001.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 1259, 5230-5257.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl ((5-chloropyrazin-2-yl)methyl)carbamate dihydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 167, (2), 7517-7525.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 663, (7), 4837-4854.