发明人张德明,王建平,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111768387 A, 授权公告日 2016-04-02.
发明人赵玉洁,高志强,刘建华. "Method for the Synthesis of 2-(Carboxy(hydroxy)methyl)-5-cyanobenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 115827382 A, 授权公告日 2015-03-26.
发明人李文辉,沈红梅,周伟. "A Process for Preparing High-Purity 2-(Carboxy(hydroxy)methyl)-5-cyanobenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 113367328 B, 授权公告日 2020-12-23.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2017, 979, (11), 2136-2147.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2021, 632, 5030-5060.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Carboxy(hydroxy)methyl)-5-cyanobenzo[d]oxazole Using HRMS and NMR". Anal. Methods, 2013, 765, (9), 7379-7388.