Williams B T, Mueller T, Brown S R. "Method for the Synthesis of 2-(3,4-Dimethoxyphenyl)-2-(dimethylamino)acetic acid" [P]. US Patent, US 9620332 B2, 2024-01-21.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2017, 1557, 8285-8307.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 2430, (7), 6832-6859.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,4-Dimethoxyphenyl)-2-(dimethylamino)acetic acid Using HRMS and NMR". Chemosphere, 2014, 2280, 3324-3338.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2021, 1872, 408-416.