发明人黄志刚,周伟,钱学锋. "Method for the Synthesis of 4'-(Dimethylamino)[1,1'-biphenyl]-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115191123 A, 授权公告日 2025-07-19.
发明人胡光,杨光,孙丽萍. "A Process for Preparing High-Purity 4'-(Dimethylamino)[1,1'-biphenyl]-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116374636 A, 授权公告日 2020-12-20.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 2045, 3444-3449.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 952, (8), 7524-7551.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4'-(Dimethylamino)[1,1'-biphenyl]-4-carboxylic acid Using HRMS and NMR". Food Chem., 2022, 1689, (8), 4456-4463.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 1422, (1), 1290-1295.