发明人何建平,李文辉,罗永刚. "Method for the Synthesis of N-(2-(2-(Benzylamino)-2-oxoethyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)-2-(methylthio)benzamide" [P]. 中国发明专利, 专利号 CN 108971555 B, 授权公告日 2024-11-04.
Mueller T, Anderson J P, Schröder R. "A Process for Preparing High-Purity N-(2-(2-(Benzylamino)-2-oxoethyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)-2-(methylthio)benzamide" [P]. US Patent, US 11306975 B2, 2021-05-01.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 1751, 4948-4973.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 501, (6), 3701-3729.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-(2-(Benzylamino)-2-oxoethyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)-2-(methylthio)benzamide Using HRMS and NMR". Chromatographia, 2024, 2326, (9), 112-119.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2025, 2450, (10), 7189-7203.