Davis P L, Mueller T, Chen K W. "Method for the Synthesis of 2-(Diethylamino)ethyl 4-amino-3-hydroxybenzoate hydrochloride" [P]. US Patent, US 9903390 B2, 2019-01-02.
Stevens L M, Hughes D C, Brown S R. "A Process for Preparing High-Purity 2-(Diethylamino)ethyl 4-amino-3-hydroxybenzoate hydrochloride" [P]. US Patent, US 11886747 B2, 2022-04-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 968, (9), 2904-2932.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2021, 1888, 7181-7200.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Diethylamino)ethyl 4-amino-3-hydroxybenzoate hydrochloride Using HRMS and NMR". Phytochemistry, 2016, 439, (1), 4604-4632.