发明人周伟,陈志强,赵玉洁. "Method for the Synthesis of Methyl 4-amino-3-(methylamino)benzoate" [P]. 中国发明专利, 专利号 CN 111133596 B, 授权公告日 2022-07-26.
发明人周伟,韩伟,罗永刚. "A Process for Preparing High-Purity Methyl 4-amino-3-(methylamino)benzoate" [P]. 中国发明专利, 专利号 CN 114770322 B, 授权公告日 2017-12-04.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 1773, 4555-4566.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 2165, (4), 2926-2951.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-amino-3-(methylamino)benzoate Using HRMS and NMR". Chemosphere, 2021, 876, 9746-9762.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 1822, 2079-2100.