发明人徐明华,沈红梅,赵玉洁. "Method for the Synthesis of Ethyl 8-oxa-1-azaspiro[4.5]decane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116265684 B, 授权公告日 2017-01-27.
发明人张德明,周伟,马晓峰. "A Process for Preparing High-Purity Ethyl 8-oxa-1-azaspiro[4.5]decane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115422989 B, 授权公告日 2020-04-20.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 2288, (1), 4571-4588.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2023, 2397, (12), 6015-6031.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 8-oxa-1-azaspiro[4.5]decane-2-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2024, 1567, (12), 5761-5788.