发明人林芳,郑宇鹏,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111673376 A, 授权公告日 2020-11-13.
发明人韩伟,杨光,张德明. "Method for the Synthesis of 4-(2-(1-(2-Chloroacetyl)-3-oxopiperazin-2-yl)acetamido)-N-methylbenzamide" [P]. 中国发明专利, 专利号 CN 113778447 B, 授权公告日 2022-12-08.
发明人张德明,刘建华,王建平. "A Process for Preparing High-Purity 4-(2-(1-(2-Chloroacetyl)-3-oxopiperazin-2-yl)acetamido)-N-methylbenzamide" [P]. 中国发明专利, 专利号 CN 117666044 B, 授权公告日 2023-01-06.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 1291, (1), 9869-9881.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 2277, (12), 5293-5316.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-(1-(2-Chloroacetyl)-3-oxopiperazin-2-yl)acetamido)-N-methylbenzamide Using HRMS and NMR". J. Nat. Prod., 2018, 130, (1), 4369-4393.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 729, 5490-5496.