Chen K W, Mueller T, Williams B T. "Method for the Synthesis of 6-chlorospiro[1H-pyrrolo[3,2-b]pyridine-3,1'-cyclopropane]-2-one" [P]. US Patent, US 9429362 B2, 2016-01-17.
Sørensen M, Lefèvre J P, Björnsson E. "A Process for Preparing High-Purity 6-chlorospiro[1H-pyrrolo[3,2-b]pyridine-3,1'-cyclopropane]-2-one" [P]. European Patent, EP 3294215 A1, 2019-04-04.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2021, 1171, 3910-3937.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 1169, 5329-5338.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6-chlorospiro[1H-pyrrolo[3,2-b]pyridine-3,1'-cyclopropane]-2-one Using HRMS and NMR". Food Chem., 2016, 262, 9379-9385.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 450, 3601-3612.