发明人马晓峰,林芳,王建平. "Method for the Synthesis of ethyl 3-[(chloroacetyl)amino]-5-(4-chlorophenyl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108639334 B, 授权公告日 2019-08-21.
发明人李文辉,罗永刚,黄志刚. "A Process for Preparing High-Purity ethyl 3-[(chloroacetyl)amino]-5-(4-chlorophenyl)thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109845606 A, 授权公告日 2024-03-14.
参考文献 Literature
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Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 3-[(chloroacetyl)amino]-5-(4-chlorophenyl)thiophene-2-carboxylate as an Impurity". Anal. Methods, 2023, 1635, (4), 2474-2484.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 3-[(chloroacetyl)amino]-5-(4-chlorophenyl)thiophene-2-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2021, 1999, (3), 3461-3471.