发明人郭海燕,孙丽萍,冯建国. "Method for the Synthesis of Ethyl 3-amino-4-(3-oxo-1-piperazinyl)benzoate" [P]. 中国发明专利, 专利号 CN 116335389 A, 授权公告日 2018-10-06.
Williams B T, Klinger H, Patel M V. "A Process for Preparing High-Purity Ethyl 3-amino-4-(3-oxo-1-piperazinyl)benzoate" [P]. US Patent, US 9191814 B2, 2016-10-05.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 378, 3324-3339.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 747, (9), 7682-7687.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-amino-4-(3-oxo-1-piperazinyl)benzoate Using HRMS and NMR". Biomed. Chromatogr., 2010, 1004, (11), 9993-10019.