Schröder R, Mueller T, Lee S K. "一种的合成方法" [P]. US Patent, US 10090199 B2, 2020-10-03.
Hughes D C, Roberts E F, Fischer A B. "Method for the Synthesis of 2-(Difluoromethyl)-4-mercaptobenzo[d]oxazole" [P]. US Patent, US 9412050 B2, 2023-05-16.
发明人林芳,马晓峰,张德明. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-mercaptobenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 112892387 A, 授权公告日 2025-06-14.
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". Sci. Total Environ., 2024, 620, 9378-9396.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 1973, (3), 8885-8890.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-mercaptobenzo[d]oxazole Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 392, (6), 6234-6258.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 1507, (10), 4824-4830.