Klinger H, Schröder R, Chen K W. "Method for the Synthesis of 2-ethylpyrrolidine-3-carboxylic acid hydrochloride" [P]. US Patent, US 11126516 B2, 2016-06-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 2-ethylpyrrolidine-3-carboxylic acid hydrochloride in Pharmaceutical Formulations". Talanta, 2019, 127, (9), 1428-1456.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-ethylpyrrolidine-3-carboxylic acid hydrochloride as an Impurity". Environ. Sci. Technol., 2021, 1853, 182-202.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-ethylpyrrolidine-3-carboxylic acid hydrochloride Using HRMS and NMR". Chromatographia, 2019, 331, 4668-4683.