Björnsson E, Nowak P, Schröder R. "Method for the Synthesis of 2,2'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(4-methoxyphenyl)-3-oxobutyramide)
2-Chloro-6-(4-fluorophenyl)nicotinonitrile
31776-83-7" [P]. European Patent, EP 3361909 A1, 2016-06-07.
发明人郭海燕,杨光,刘建华. "A Process for Preparing High-Purity 2,2'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(4-methoxyphenyl)-3-oxobutyramide)
2-Chloro-6-(4-fluorophenyl)nicotinonitrile
31776-83-7" [P]. 中国发明专利, 专利号 CN 110879263 B, 授权公告日 2016-10-08.
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". Molecules, 2025, 2404, 6110-6114.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 923, 4767-4777.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2,2'-((3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(N-(4-methoxyphenyl)-3-oxobutyramide)
2-Chloro-6-(4-fluorophenyl)nicotinonitrile
31776-83-7 Using HRMS and NMR". Anal. Methods, 2020, 1651, (10), 5191-5209.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2012, 2428, (9), 6973-6981.