发明人杨光,刘建华,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112340969 A, 授权公告日 2022-10-22.
Mueller T, Yamamoto T, Roberts E F. "Method for the Synthesis of Methyl 6,7-dihydro-5H-cyclopenta[b]pyridine-4-carboxylate" [P]. US Patent, US 11524512 B2, 2023-03-15.
发明人王建平,孙丽萍,郑宇鹏. "A Process for Preparing High-Purity Methyl 6,7-dihydro-5H-cyclopenta[b]pyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111776760 A, 授权公告日 2017-08-17.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 468, (10), 3117-3132.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 1289, 4993-5012.