发明人罗永刚,郭海燕,马晓峰. "Method for the Synthesis of 5-Ethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one" [P]. 中国发明专利, 专利号 CN 114884391 A, 授权公告日 2015-09-25.
发明人郑宇鹏,黄志刚,杨光. "A Process for Preparing High-Purity 5-Ethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one" [P]. 中国发明专利, 专利号 CN 109472480 B, 授权公告日 2021-10-15.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2022, 1358, 7166-7184.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 736, (11), 9178-9187.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 417, 5610-5615.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2013, 312, (12), 9075-9105.