Martínez F, Jørgensen K, Nowak P. "Method for the Synthesis of 2-(Carboxy(hydroxy)methyl)-4-methoxybenzo[d]oxazole" [P]. European Patent, EP 3986500 A1, 2015-04-02.
Thompson G K, Stevens L M, Yamamoto T. "A Process for Preparing High-Purity 2-(Carboxy(hydroxy)methyl)-4-methoxybenzo[d]oxazole" [P]. US Patent, US 10354548 B2, 2025-10-15.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 1092, 3963-3993.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2012, 2332, (10), 8903-8908.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Carboxy(hydroxy)methyl)-4-methoxybenzo[d]oxazole Using HRMS and NMR". Molecules, 2015, 1220, 6101-6118.