发明人陈志强,刘建华,赵玉洁. "Method for the Synthesis of Benzyl 2-(((S)-2-amino-N-ethyl-3-methylbutanamido)methyl)pyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110800323 A, 授权公告日 2019-12-09.
发明人冯建国,王建平,林芳. "A Process for Preparing High-Purity Benzyl 2-(((S)-2-amino-N-ethyl-3-methylbutanamido)methyl)pyrrolidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111442576 A, 授权公告日 2022-01-19.
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". Anal. Chem., 2010, 1679, (7), 754-767.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2018, 1130, (8), 8049-8078.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl 2-(((S)-2-amino-N-ethyl-3-methylbutanamido)methyl)pyrrolidine-1-carboxylate Using HRMS and NMR". J. Sep. Sci., 2019, 349, 7817-7827.