发明人郭海燕,李文辉,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115077149 A, 授权公告日 2016-02-27.
Schröder R, Williams B T, Park J H. "Method for the Synthesis of Ethyl 4-amino-4-iminobutanoate" [P]. US Patent, US 9674171 B2, 2019-12-02.
发明人郑宇鹏,高志强,李文辉. "A Process for Preparing High-Purity Ethyl 4-amino-4-iminobutanoate" [P]. 中国发明专利, 专利号 CN 109993844 B, 授权公告日 2019-12-09.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 2413, (8), 3061-3084.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 1023, 9282-9312.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-amino-4-iminobutanoate Using HRMS and NMR". J. Sep. Sci., 2020, 2017, (10), 7889-7906.