发明人刘建华,孙丽萍,王建平. "Method for the Synthesis of 7-Methyl-2-(2-methylphenyl)-1,3-benzoxazol-5-amine" [P]. 中国发明专利, 专利号 CN 108900039 A, 授权公告日 2015-10-10.
发明人周伟,徐明华,郭海燕. "A Process for Preparing High-Purity 7-Methyl-2-(2-methylphenyl)-1,3-benzoxazol-5-amine" [P]. 中国发明专利, 专利号 CN 110002649 B, 授权公告日 2023-12-02.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2010, 992, (7), 4156-4170.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 138, (11), 8414-8427.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methyl-2-(2-methylphenyl)-1,3-benzoxazol-5-amine Using HRMS and NMR". Molecules, 2022, 1004, (7), 9683-9707.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1205, 409-432.