发明人韩伟,黄志刚,沈红梅. "Method for the Synthesis of Tert-butyl 7-amino-6,6-difluoro-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111464662 A, 授权公告日 2025-01-24.
发明人冯建国,何建平,黄志刚. "A Process for Preparing High-Purity Tert-butyl 7-amino-6,6-difluoro-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110094292 B, 授权公告日 2016-11-07.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 364, (7), 5988-6000.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 439, (5), 8570-8586.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 7-amino-6,6-difluoro-2-azaspiro[3.4]Octane-2-carboxylate Using HRMS and NMR". Sci. Total Environ., 2012, 2418, 1564-1573.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2012, 2044, 4671-4690.