Davis P L, Kumar R, Hughes D C. "一种的合成方法" [P]. US Patent, US 9829597 B2, 2015-12-18.
发明人孙丽萍,韩伟,黄志刚. "Method for the Synthesis of N-Methyl-Acpc-OH·HCl" [P]. 中国发明专利, 专利号 CN 115135812 B, 授权公告日 2020-06-03.
发明人刘建华,罗永刚,钱学锋. "A Process for Preparing High-Purity N-Methyl-Acpc-OH·HCl" [P]. 中国发明专利, 专利号 CN 115581714 A, 授权公告日 2019-02-05.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 1861, (6), 4073-4094.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 1693, (1), 1471-1490.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of N-Methyl-Acpc-OH·HCl Using HRMS and NMR". Phytochemistry, 2021, 1647, 5422-5441.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 818, (4), 3503-3529.