发明人周伟,钱学锋,何建平. "一种福莫特罗EP杂质C的合成方法" [P]. 中国发明专利, 专利号 CN 114221711 A, 授权公告日 2022-10-13.
发明人朱建伟,韩伟,郭海燕. "Method for the Synthesis of Formoterol EP Impurity C" [P]. 中国发明专利, 专利号 CN 116400970 A, 授权公告日 2017-05-20.
Yamamoto T, Hughes D C, Patel M V. "A Process for Preparing High-Purity Formoterol EP Impurity C" [P]. US Patent, US 9955624 B2, 2022-03-22.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 福莫特罗EP杂质C in Pharmaceutical Formulations". Chemosphere, 2023, 1948, 2408-2431.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 福莫特罗EP杂质C as an Impurity". Phytochemistry, 2018, 206, (2), 5040-5056.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Formoterol EP Impurity C Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 554, (1), 8735-8744.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 福莫特罗EP杂质C Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 140, (8), 5549-5572.