发明人周伟,马晓峰,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109102371 A, 授权公告日 2020-11-18.
Lefèvre J P, Kowalski A, Johansson L. "Method for the Synthesis of N-Ethyl-2,3-difluoro-6-nitroaniline" [P]. European Patent, EP 3055685 A1, 2018-08-15.
发明人何建平,郑宇鹏,冯建国. "A Process for Preparing High-Purity N-Ethyl-2,3-difluoro-6-nitroaniline" [P]. 中国发明专利, 专利号 CN 115504893 A, 授权公告日 2021-10-21.
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". Chemosphere, 2020, 204, 6463-6472.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 420, 673-687.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of N-Ethyl-2,3-difluoro-6-nitroaniline Using HRMS and NMR". Molecules, 2013, 1953, (9), 3595-3607.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2019, 2171, 4351-4374.