Brown S R, Klinger H, Fischer A B. "一种的合成方法" [P]. US Patent, US 10194563 B2, 2021-02-24.
Klinger H, Hughes D C, Thompson G K. "Method for the Synthesis of 5-(2,6-Difluorophenyl)thiophene-2-carboxylic acid" [P]. US Patent, US 9711536 B2, 2015-12-13.
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". Sci. Total Environ., 2019, 1205, 6212-6240.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 2109, (9), 2857-2866.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,6-Difluorophenyl)thiophene-2-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 980, (3), 4962-4979.