发明人何建平,朱建伟,郭海燕. "Method for the Synthesis of (S)-Methyl quinuclidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117645721 B, 授权公告日 2022-12-10.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Talanta, 2011, 383, (6), 6534-6562.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Methods, 2021, 1740, (10), 6827-6853.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (S)-Methyl quinuclidine-2-carboxylate Using HRMS and NMR". Chromatographia, 2025, 295, 4831-4855.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 1278, (2), 4645-4665.