Stevens L M, Yamamoto T, Schröder R. "Method for the Synthesis of 2-(3,4-Difluorophenyl)butanoic acid" [P]. US Patent, US 9611252 B2, 2021-09-03.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2017, 1881, (7), 8263-8279.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2025, 288, (2), 8400-8423.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,4-Difluorophenyl)butanoic acid Using HRMS and NMR". Environ. Sci. Technol., 2017, 335, (6), 5733-5736.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 2431, 4252-4277.