发明人林芳,唐晓军,高志强. "Method for the Synthesis of Methyl 2-[(chloroacetyl)amino]-5-ethylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116308450 A, 授权公告日 2019-11-01.
发明人韩伟,唐晓军,高志强. "A Process for Preparing High-Purity Methyl 2-[(chloroacetyl)amino]-5-ethylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109127050 A, 授权公告日 2025-11-15.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2015, 2149, (2), 8744-8771.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 1487, (10), 6990-7013.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-[(chloroacetyl)amino]-5-ethylthiophene-3-carboxylate Using HRMS and NMR". Anal. Methods, 2018, 501, (9), 2449-2458.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2011, 1776, 6740-6744.