发明人朱建伟,沈红梅,胡光. "Method for the Synthesis of Benzyl 4-amino-2-azaspiro[4.4]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112129388 B, 授权公告日 2024-09-16.
发明人李文辉,周伟,王建平. "A Process for Preparing High-Purity Benzyl 4-amino-2-azaspiro[4.4]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115438433 B, 授权公告日 2019-05-09.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 243, 4627-4654.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2015, 176, 3450-3476.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl 4-amino-2-azaspiro[4.4]Nonane-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 1137, 9575-9598.