发明人周伟,何建平,韩伟. "Method for the Synthesis of tert-Butyl 8-oxo-1-azaspiro[4.4]non-6-ene-1-carboxylate" [P]. 中国发明专利, 专利号 CN 113375834 A, 授权公告日 2020-12-22.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 1241, (12), 602-628.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 1544, (7), 5537-5564.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 8-oxo-1-azaspiro[4.4]non-6-ene-1-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2019, 838, (11), 5965-5993.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 1443, (6), 4008-4012.