O'Brien P Q, Anderson J P, Lee S K. "一种的合成方法" [P]. US Patent, US 11839687 B2, 2018-03-24.
发明人林芳,郭海燕,周伟. "Method for the Synthesis of Endo-8-Methyl-8-azabicyclo[3.2.1]octan-3-yl 3-hydroxy-2-phenylpropanoate sulfate dihydrate(2:1:2)" [P]. 中国发明专利, 专利号 CN 116602840 B, 授权公告日 2021-03-21.
发明人高志强,王建平,郑宇鹏. "A Process for Preparing High-Purity Endo-8-Methyl-8-azabicyclo[3.2.1]octan-3-yl 3-hydroxy-2-phenylpropanoate sulfate dihydrate(2:1:2)" [P]. 中国发明专利, 专利号 CN 109213633 B, 授权公告日 2017-06-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2015, 1544, (6), 7012-7027.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2012, 192, (2), 4021-4028.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Endo-8-Methyl-8-azabicyclo[3.2.1]octan-3-yl 3-hydroxy-2-phenylpropanoate sulfate dihydrate(2:1:2) Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 1195, (8), 3565-3590.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2024, 2464, (1), 2142-2163.