Patel M V, Davis P L, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 10398025 B2, 2020-04-21.
Mueller T C, Johansson L, Jørgensen K. "Method for the Synthesis of 4-Chloro-3-methoxythiophene-2-carboxylic acid" [P]. European Patent, EP 3256103 A1, 2015-04-16.
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". Chemosphere, 2011, 1451, (3), 684-688.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 859, (7), 9977-10004.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-3-methoxythiophene-2-carboxylic acid Using HRMS and NMR". Phytochemistry, 2013, 1925, (4), 7161-7191.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 2352, (1), 4211-4222.