发明人张德明,何建平,高志强. "Method for the Synthesis of 4,5-Dibromo-3-methylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110874203 B, 授权公告日 2021-07-21.
发明人沈红梅,王建平,赵玉洁. "A Process for Preparing High-Purity 4,5-Dibromo-3-methylthiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117675669 A, 授权公告日 2022-02-04.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 1670, 2054-2072.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 279, (4), 4475-4480.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dibromo-3-methylthiophene-2-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2015, 1306, (7), 3871-3901.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2017, 570, (6), 849-852.