发明人韩伟,陈志强,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110816541 A, 授权公告日 2021-03-05.
发明人胡光,郑宇鹏,黄志刚. "Method for the Synthesis of 4-Cyanobenzo[d]oxazole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 115655692 A, 授权公告日 2016-06-12.
发明人孙丽萍,冯建国,朱建伟. "A Process for Preparing High-Purity 4-Cyanobenzo[d]oxazole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110152069 A, 授权公告日 2022-04-18.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 292, 1051-1081.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2022, 1647, (10), 8081-8084.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyanobenzo[d]oxazole-2-carboxamide Using HRMS and NMR". Chromatographia, 2025, 1780, (11), 8778-8785.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 2202, (9), 4242-4271.