Rossi M, Mueller T C, Martínez F. "Method for the Synthesis of 4-Methyl-4-piperidinecarboxylic Acid" [P]. European Patent, EP 3073949 A1, 2022-06-17.
发明人徐明华,刘建华,高志强. "A Process for Preparing High-Purity 4-Methyl-4-piperidinecarboxylic Acid" [P]. 中国发明专利, 专利号 CN 111165444 A, 授权公告日 2015-06-27.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-甲基-4-哌啶甲酸 in Pharmaceutical Formulations". Food Chem., 2019, 1869, (11), 7352-7375.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-甲基-4-哌啶甲酸 as an Impurity". Chromatographia, 2023, 1192, 1542-1563.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-4-piperidinecarboxylic Acid Using HRMS and NMR". Anal. Methods, 2016, 437, (6), 6367-6391.