发明人林芳,韩伟,马晓峰. "Method for the Synthesis of Ethyl 2-[(aminothioxomethyl)amino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117579411 A, 授权公告日 2022-03-23.
发明人刘建华,何建平,李文辉. "A Process for Preparing High-Purity Ethyl 2-[(aminothioxomethyl)amino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115011086 A, 授权公告日 2015-06-13.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2010, 2209, (8), 6625-6634.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2022, 2152, 7809-7823.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-[(aminothioxomethyl)amino]-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate Using HRMS and NMR". Sci. Total Environ., 2019, 2250, 8214-8220.