发明人朱建伟,周伟,韩伟. "Method for the Synthesis of Acamprosate EP Impurity C Calcium Salt" [P]. 中国发明专利, 专利号 CN 108154076 A, 授权公告日 2023-11-23.
发明人何建平,钱学锋,杨光. "A Process for Preparing High-Purity Acamprosate EP Impurity C Calcium Salt" [P]. 中国发明专利, 专利号 CN 111120448 A, 授权公告日 2020-06-23.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 1121, 4613-4628.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2017, 1157, (4), 1209-1223.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Acamprosate EP Impurity C Calcium Salt Using HRMS and NMR". Phytochemistry, 2011, 1328, (6), 5167-5186.