发明人刘建华,杨光,林芳. "Method for the Synthesis of (R)-2-Amino-2-(2-methoxy-4-nitrophenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 108278911 A, 授权公告日 2016-12-13.
发明人钱学锋,杨光,马晓峰. "A Process for Preparing High-Purity (R)-2-Amino-2-(2-methoxy-4-nitrophenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 110585402 B, 授权公告日 2015-08-17.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 379, (5), 8247-8258.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 127, 2306-2310.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-Amino-2-(2-methoxy-4-nitrophenyl)acetic acid Using HRMS and NMR". J. Chromatogr. A, 2012, 2430, (8), 8126-8152.