发明人朱建伟,刘建华,钱学锋. "Method for the Synthesis of 3-Bromo-2-phenyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine" [P]. 中国发明专利, 专利号 CN 113062663 B, 授权公告日 2017-11-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2018, 2266, (7), 4432-4445.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 1853, (9), 8102-8127.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Bromo-2-phenyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1652, 8389-8412.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 1776, (8), 9975-9979.