Hughes D C, Davis P L, Thompson G K. "Method for the Synthesis of 4-Cyano-2-difluoromethoxy-3-mercaptophenylacetic acid" [P]. US Patent, US 9941053 B2, 2017-11-19.
发明人何建平,韩伟,马晓峰. "A Process for Preparing High-Purity 4-Cyano-2-difluoromethoxy-3-mercaptophenylacetic acid" [P]. 中国发明专利, 专利号 CN 117563493 A, 授权公告日 2018-06-08.
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". Anal. Chem., 2013, 2048, (11), 4451-4462.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 901, (8), 9391-9400.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-2-difluoromethoxy-3-mercaptophenylacetic acid Using HRMS and NMR". Environ. Sci. Technol., 2017, 841, (11), 3389-3401.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2017, 1519, (5), 6511-6527.