Roberts E F, Schröder R, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10108410 B2, 2022-06-15.
Patel M V, O'Brien P Q, Davis P L. "Method for the Synthesis of 3-(4-Aminophenyl)butanoic acid" [P]. US Patent, US 9172700 B2, 2017-09-03.
Kowalski A, Lefèvre J P, Nowak P. "A Process for Preparing High-Purity 3-(4-Aminophenyl)butanoic acid" [P]. European Patent, EP 3714544 A1, 2021-12-19.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2025, 1441, (8), 3077-3106.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 2082, (3), 3878-3885.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Aminophenyl)butanoic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 665, (4), 4284-4303.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2015, 723, 3526-3554.