发明人赵玉洁,刘建华,何建平. "Method for the Synthesis of 8-((2-Bromo-4,5-difluorophenyl)sulfonyl)-1,4-dioxa-8-azaspiro[4.5]decane" [P]. 中国发明专利, 专利号 CN 114794543 B, 授权公告日 2024-01-26.
发明人刘建华,马晓峰,郭海燕. "A Process for Preparing High-Purity 8-((2-Bromo-4,5-difluorophenyl)sulfonyl)-1,4-dioxa-8-azaspiro[4.5]decane" [P]. 中国发明专利, 专利号 CN 117121090 B, 授权公告日 2019-03-11.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 203, (1), 2321-2341.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2016, 139, (11), 949-955.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 8-((2-Bromo-4,5-difluorophenyl)sulfonyl)-1,4-dioxa-8-azaspiro[4.5]decane Using HRMS and NMR". Environ. Sci. Technol., 2020, 873, (12), 5326-5355.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 364, (1), 4858-4886.