Brown S R, O'Brien P Q, Kumar R. "一种的合成方法" [P]. US Patent, US 9285321 B2, 2024-03-12.
发明人周伟,张德明,郭海燕. "Method for the Synthesis of 3-(3,3-Dimethylureido)-4-ethoxybenzene-1-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111969504 B, 授权公告日 2023-08-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2012, 131, (5), 2832-2841.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 1519, (2), 3285-3292.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3-(3,3-Dimethylureido)-4-ethoxybenzene-1-sulfonyl chloride Using HRMS and NMR". J. Sep. Sci., 2021, 1672, (5), 8691-8702.