发明人钱学锋,孙丽萍,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114097668 A, 授权公告日 2016-01-07.
发明人陈志强,林芳,张德明. "Method for the Synthesis of Betaine ethyl ester chloride" [P]. 中国发明专利, 专利号 CN 113584342 A, 授权公告日 2015-03-04.
发明人黄志刚,韩伟,徐明华. "A Process for Preparing High-Purity Betaine ethyl ester chloride" [P]. 中国发明专利, 专利号 CN 113201534 B, 授权公告日 2023-01-11.
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". Rapid Commun. Mass Spectrom., 2019, 2356, 483-487.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2010, 2030, (4), 2851-2867.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Betaine ethyl ester chloride Using HRMS and NMR". Anal. Methods, 2014, 482, (5), 405-419.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 1455, 6539-6548.