发明人李文辉,张德明,胡光. "Method for the Synthesis of 2-Ethylbenzo[d]oxazol-6-amine" [P]. 中国发明专利, 专利号 CN 108561925 B, 授权公告日 2017-02-04.
发明人刘建华,高志强,徐明华. "A Process for Preparing High-Purity 2-Ethylbenzo[d]oxazol-6-amine" [P]. 中国发明专利, 专利号 CN 112204874 A, 授权公告日 2023-05-20.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 925, 5747-5773.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 244, 9134-9142.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethylbenzo[d]oxazol-6-amine Using HRMS and NMR". Chromatographia, 2020, 437, 3106-3130.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2010, 229, 6960-6970.