Nowak P, Nielsen H, Rossi M. "一种的合成方法" [P]. European Patent, EP 3840729 A1, 2024-07-23.
Kumar R, Brown S R, Klinger H. "Method for the Synthesis of 4-(tert-Butyl)-5-(ethylsulfonyl)-1H-thieno[2,3-c]pyrazol-3-amine" [P]. US Patent, US 11412246 B2, 2016-06-23.
Mueller T C, Kowalski A, Sørensen M. "A Process for Preparing High-Purity 4-(tert-Butyl)-5-(ethylsulfonyl)-1H-thieno[2,3-c]pyrazol-3-amine" [P]. European Patent, EP 3671644 A1, 2017-05-03.
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". Molecules, 2019, 275, 6117-6136.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 1931, (5), 4545-4553.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-(tert-Butyl)-5-(ethylsulfonyl)-1H-thieno[2,3-c]pyrazol-3-amine Using HRMS and NMR". Phytochemistry, 2020, 236, (5), 518-525.