发明人林芳,刘建华,唐晓军. "Method for the Synthesis of 2-[ethyl(methyl)amino]-2-methylpropanoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 113665998 A, 授权公告日 2015-05-06.
Lee S K, Schröder R, Chen K W. "A Process for Preparing High-Purity 2-[ethyl(methyl)amino]-2-methylpropanoic acid hydrochloride" [P]. US Patent, US 9275196 B2, 2025-02-20.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 2-[ethyl(methyl)amino]-2-methylpropanoic acid hydrochloride in Pharmaceutical Formulations". Molecules, 2013, 1963, 7148-7158.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-[ethyl(methyl)amino]-2-methylpropanoic acid hydrochloride as an Impurity". Environ. Sci. Technol., 2021, 2210, (3), 6605-6619.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-[ethyl(methyl)amino]-2-methylpropanoic acid hydrochloride Using HRMS and NMR". Chemosphere, 2010, 2181, (9), 2977-2985.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate 2-[ethyl(methyl)amino]-2-methylpropanoic acid hydrochloride Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 330, (1), 7538-7549.