Kowalski A, Rossi M, Johansson L. "一种的合成方法" [P]. European Patent, EP 3609071 A1, 2017-08-13.
发明人冯建国,杨光,郭海燕. "Method for the Synthesis of (S)-2-Amino-N-(((S)-1-benzylpyrrolidin-2-yl)methyl)-N-ethylpropanamide" [P]. 中国发明专利, 专利号 CN 108388091 A, 授权公告日 2020-12-15.
发明人孙丽萍,马晓峰,罗永刚. "A Process for Preparing High-Purity (S)-2-Amino-N-(((S)-1-benzylpyrrolidin-2-yl)methyl)-N-ethylpropanamide" [P]. 中国发明专利, 专利号 CN 113152937 B, 授权公告日 2019-03-06.
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, 495, (9), 915-934.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1828, (8), 4841-4858.