Klinger H, Lee S K, Mueller T. "一种的合成方法" [P]. US Patent, US 10171886 B2, 2015-02-14.
Williams B T, Lee S K, Fischer A B. "Method for the Synthesis of Methyl 2-[(cyanoacetyl)amino]-5-isopropylthiophene-3-carboxylate" [P]. US Patent, US 11869314 B2, 2025-12-03.
发明人杨光,钱学锋,高志强. "A Process for Preparing High-Purity Methyl 2-[(cyanoacetyl)amino]-5-isopropylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113071468 A, 授权公告日 2019-08-16.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 515, (10), 7583-7613.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 1030, (4), 9328-9340.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-[(cyanoacetyl)amino]-5-isopropylthiophene-3-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2021, 1458, (10), 3481-3509.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 1001, (5), 8967-8973.