发明人徐明华,刘建华,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111746811 A, 授权公告日 2016-10-15.
发明人李文辉,韩伟,沈红梅. "Method for the Synthesis of Methyl 3-[(E)-[(dimethylamino)methylidene]amino]-4-phenylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108539926 A, 授权公告日 2023-06-17.
发明人陈志强,周伟,沈红梅. "A Process for Preparing High-Purity Methyl 3-[(E)-[(dimethylamino)methylidene]amino]-4-phenylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115571751 A, 授权公告日 2015-08-04.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 2371, 212-216.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 520, 7467-7478.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-[(E)-[(dimethylamino)methylidene]amino]-4-phenylthiophene-2-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2025, 717, (5), 6513-6528.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2023, 1976, (1), 41-68.