Nowak P, Björnsson E, Kowalski A. "Method for the Synthesis of cis-4-(methylamino)cyclohexanecarboxylic acid;hydrochloride" [P]. European Patent, EP 3979472 A1, 2022-03-24.
发明人冯建国,韩伟,林芳. "A Process for Preparing High-Purity cis-4-(methylamino)cyclohexanecarboxylic acid;hydrochloride" [P]. 中国发明专利, 专利号 CN 115125748 B, 授权公告日 2018-08-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2015, 756, 7934-7945.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 325, 9056-9081.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of cis-4-(methylamino)cyclohexanecarboxylic acid;hydrochloride Using HRMS and NMR". Talanta, 2012, 1557, (4), 1118-1133.