发明人沈红梅,黄志刚,郭海燕. "Method for the Synthesis of (2S)-2-[(2-Chloro-4-nitrophenyl)formamido]-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 117351769 B, 授权公告日 2017-02-27.
发明人朱建伟,林芳,李文辉. "A Process for Preparing High-Purity (2S)-2-[(2-Chloro-4-nitrophenyl)formamido]-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 114140397 B, 授权公告日 2016-11-03.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2024, 1195, 9454-9468.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 2011, 6021-6041.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (2S)-2-[(2-Chloro-4-nitrophenyl)formamido]-3-methylbutanoic acid Using HRMS and NMR". Anal. Chem., 2016, 1421, (6), 9625-9636.