发明人高志强,韩伟,杨光. "Method for the Synthesis of Zopiclone Impurity 3" [P]. 中国发明专利, 专利号 CN 111939471 B, 授权公告日 2019-06-10.
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". Environ. Sci. Technol., 2017, 837, (8), 6200-6218.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 2028, 9410-9417.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Zopiclone Impurity 3 Using HRMS and NMR". Chemosphere, 2018, 447, (3), 7281-7309.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 942, 9712-9716.