发明人杨光,罗永刚,赵玉洁. "Method for the Synthesis of (R)-2-Amino-3-(4-cyano-2-nitrophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 116995793 A, 授权公告日 2019-01-08.
发明人杨光,朱建伟,林芳. "A Process for Preparing High-Purity (R)-2-Amino-3-(4-cyano-2-nitrophenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 112089381 B, 授权公告日 2024-06-09.
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". Rapid Commun. Mass Spectrom., 2018, 1254, (4), 2857-2878.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 2171, (1), 5237-5250.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-Amino-3-(4-cyano-2-nitrophenyl)propanoic acid Using HRMS and NMR". Phytochemistry, 2021, 671, 9771-9794.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 2282, 9258-9269.