Johnson M A, Hughes D C, Yamamoto T. "Method for the Synthesis of 1-Methyl-1H-indole-4-carbonitrile" [P]. US Patent, US 9923797 B2, 2020-05-16.
Park J H, Davis P L, Patel M V. "A Process for Preparing High-Purity 1-Methyl-1H-indole-4-carbonitrile" [P]. US Patent, US 11878377 B2, 2025-08-05.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2021, 2416, (2), 9884-9912.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2017, 328, (4), 8745-8765.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-1H-indole-4-carbonitrile Using HRMS and NMR". Sci. Total Environ., 2017, 2319, 6729-6758.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2011, 2006, (6), 6007-6024.