发明人刘建华,黄志刚,林芳. "Method for the Synthesis of Ethyl 2-acetamido-7-hydroxy-4,6-dinitrobenzo[b]thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 112932878 B, 授权公告日 2020-09-12.
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". J. Nat. Prod., 2024, 888, (2), 53-67.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 2271, (6), 6609-6621.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-acetamido-7-hydroxy-4,6-dinitrobenzo[b]thiophene-3-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 1411, (8), 6310-6322.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2016, 494, 3327-3334.