发明人郭海燕,马晓峰,钱学锋. "Method for the Synthesis of Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 111503650 A, 授权公告日 2020-07-28.
Nowak P, Rossi M, Mueller T C. "A Process for Preparing High-Purity Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate" [P]. European Patent, EP 3203967 A1, 2022-06-14.
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". Chemosphere, 2018, 1716, (6), 6323-6348.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2011, 2266, (7), 9640-9660.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate Using HRMS and NMR". J. Chromatogr. A, 2012, 2195, 5112-5134.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 618, 9834-9847.