发明人黄志刚,周伟,沈红梅. "一种西咪替丁EP杂质H的合成方法" [P]. 中国发明专利, 专利号 CN 115555141 A, 授权公告日 2022-05-27.
Björnsson E, Sørensen M, Jørgensen K. "Method for the Synthesis of Cimetidine EP Impurity H" [P]. European Patent, EP 3300066 A1, 2023-01-23.
发明人高志强,黄志刚,张德明. "A Process for Preparing High-Purity Cimetidine EP Impurity H" [P]. 中国发明专利, 专利号 CN 117391995 A, 授权公告日 2022-01-16.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 西咪替丁EP杂质H in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 2037, (10), 1088-1111.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西咪替丁EP杂质H as an Impurity". Chromatographia, 2018, 2413, (9), 9295-9313.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Cimetidine EP Impurity H Using HRMS and NMR". Biomed. Chromatogr., 2021, 681, (1), 2971-2974.