Johansson L, Martínez F, Jørgensen K. "Method for the Synthesis of ethyl 4-bromo-3-(chlorosulfonyl)-5-methylbenzoate" [P]. European Patent, EP 3999819 A1, 2018-07-09.
发明人林芳,马晓峰,王建平. "A Process for Preparing High-Purity ethyl 4-bromo-3-(chlorosulfonyl)-5-methylbenzoate" [P]. 中国发明专利, 专利号 CN 111545907 B, 授权公告日 2020-03-15.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 4-bromo-3-(chlorosulfonyl)-5-methylbenzoate in Pharmaceutical Formulations". Chromatographia, 2013, 1990, (8), 5112-5121.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 4-bromo-3-(chlorosulfonyl)-5-methylbenzoate as an Impurity". Molecules, 2018, 105, 3243-3271.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 4-bromo-3-(chlorosulfonyl)-5-methylbenzoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1192, 8654-8657.