发明人杨光,钱学锋,黄志刚. "Method for the Synthesis of 4-[(Isopropylamino)sulfonyl]benzoic Acid" [P]. 中国发明专利, 专利号 CN 111246212 A, 授权公告日 2015-11-04.
Schröder R, Hughes D C, Mueller T. "A Process for Preparing High-Purity 4-[(Isopropylamino)sulfonyl]benzoic Acid" [P]. US Patent, US 11783184 B2, 2016-04-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 4-[(异丙基氨基)磺酰基]苯甲酸 in Pharmaceutical Formulations". Molecules, 2016, 1424, (5), 3953-3969.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-[(异丙基氨基)磺酰基]苯甲酸 as an Impurity". J. Agric. Food Chem., 2021, 2361, (11), 1607-1618.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(Isopropylamino)sulfonyl]benzoic Acid Using HRMS and NMR". Chromatographia, 2020, 1607, (4), 8094-8104.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 4-[(异丙基氨基)磺酰基]苯甲酸 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2011, 802, 6669-6699.