Lee S K, Anderson J P, Park J H. "一种2-[benzyl(methyl)amino]butanoic acid hydrochloride的合成方法" [P]. US Patent, US 9470707 B2, 2019-10-01.
Fischer A B, Thompson G K, O'Brien P Q. "Method for the Synthesis of 2-[benzyl(methyl)amino]butanoic acid hydrochloride" [P]. US Patent, US 10632949 B2, 2015-12-10.
发明人唐晓军,马晓峰,高志强. "A Process for Preparing High-Purity 2-[benzyl(methyl)amino]butanoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 116040851 B, 授权公告日 2023-02-20.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 2-[benzyl(methyl)amino]butanoic acid hydrochloride in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 1350, 7881-7910.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-[benzyl(methyl)amino]butanoic acid hydrochloride as an Impurity". Food Chem., 2010, 1876, (9), 5496-5501.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-[benzyl(methyl)amino]butanoic acid hydrochloride Using HRMS and NMR". J. Sep. Sci., 2020, 2230, 7985-7988.