Mueller T C, Johansson L, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3182480 A1, 2021-05-23.
Schröder R, Martínez F, Lefèvre J P. "Method for the Synthesis of 2-Hydroxy-5-nitro-benzoic acid tert-butyl ester" [P]. European Patent, EP 3768942 A1, 2025-10-03.
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". Chromatographia, 2017, 1845, (3), 1870-1892.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 1019, (3), 9342-9349.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-Hydroxy-5-nitro-benzoic acid tert-butyl ester Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1498, 2329-2333.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2018, 1683, 6902-6930.