Mueller T C, Martínez F, Sørensen M. "Method for the Synthesis of Methyl 5-chloro-3-methoxythiophene-2-carboxylate" [P]. European Patent, EP 3767013 A1, 2019-12-07.
发明人赵玉洁,徐明华,高志强. "A Process for Preparing High-Purity Methyl 5-chloro-3-methoxythiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117703152 A, 授权公告日 2021-06-15.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 1004, (3), 4321-4335.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2018, 1919, (8), 441-466.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-chloro-3-methoxythiophene-2-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2013, 1388, (4), 8293-8296.