发明人罗永刚,钱学锋,高志强. "Method for the Synthesis of Ethyl 2-((6,7-difluorobenzo[d]oxazol-2-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 110812060 A, 授权公告日 2019-03-11.
发明人徐明华,王建平,林芳. "A Process for Preparing High-Purity Ethyl 2-((6,7-difluorobenzo[d]oxazol-2-yl)thio)acetate" [P]. 中国发明专利, 专利号 CN 116741539 B, 授权公告日 2024-01-12.
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. Agric. Food Chem., 2022, 1936, 3531-3560.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 2370, (4), 1152-1177.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-((6,7-difluorobenzo[d]oxazol-2-yl)thio)acetate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2025, 1500, (7), 444-466.