Fischer A B, Lee S K, Davis P L. "Method for the Synthesis of ((2R,7aS)-2-Ethoxytetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol" [P]. US Patent, US 10846920 B2, 2015-03-13.
Hughes D C, Anderson J P, Patel M V. "A Process for Preparing High-Purity ((2R,7aS)-2-Ethoxytetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol" [P]. US Patent, US 10664397 B2, 2021-12-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 312, (8), 1919-1935.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 2338, (2), 1229-1257.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of ((2R,7aS)-2-Ethoxytetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 332, (10), 6815-6825.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 2232, (2), 9178-9182.