发明人冯建国,黄志刚,张德明. "Method for the Synthesis of Methyl 5-ethyl-3-hydroxythiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112368411 B, 授权公告日 2017-08-04.
发明人杨光,马晓峰,高志强. "A Process for Preparing High-Purity Methyl 5-ethyl-3-hydroxythiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110138133 B, 授权公告日 2024-11-02.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 1952, 473-484.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2016, 651, (3), 2579-2599.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-ethyl-3-hydroxythiophene-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 754, (4), 4403-4412.