发明人冯建国,陈志强,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108096074 A, 授权公告日 2021-06-16.
发明人郭海燕,徐明华,陈志强. "Method for the Synthesis of Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate" [P]. 中国发明专利, 专利号 CN 112175212 B, 授权公告日 2022-09-20.
Johnson M A, Klinger H, Patel M V. "A Process for Preparing High-Purity Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate" [P]. US Patent, US 11691464 B2, 2023-06-07.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2013, 2455, (8), 7818-7842.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 324, (2), 37-49.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-({[3-oxo-2-benzothiophen-1(3H)-yliden]methyl}amino)benzenecarboxylate Using HRMS and NMR". Anal. Chem., 2021, 786, 7255-7270.