Mueller T C, Kowalski A, Schröder R. "一种的合成方法" [P]. European Patent, EP 3377971 A1, 2018-03-16.
发明人杨光,郑宇鹏,何建平. "Method for the Synthesis of Benzyl 6-oxo-5-oxa-2,7-diazaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108511061 A, 授权公告日 2023-09-19.
Nowak P, Jørgensen K, Johansson L. "A Process for Preparing High-Purity Benzyl 6-oxo-5-oxa-2,7-diazaspiro[3.4]octane-2-carboxylate" [P]. European Patent, EP 3008525 A1, 2024-06-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2024, 934, 3328-3353.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 2470, (4), 2910-2930.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl 6-oxo-5-oxa-2,7-diazaspiro[3.4]octane-2-carboxylate Using HRMS and NMR". J. Nat. Prod., 2025, 1917, (5), 1822-1833.