发明人沈红梅,孙丽萍,钱学锋. "Method for the Synthesis of 3-Amino-5-(propylthio)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113142708 B, 授权公告日 2019-01-12.
发明人罗永刚,李文辉,胡光. "A Process for Preparing High-Purity 3-Amino-5-(propylthio)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115679736 B, 授权公告日 2021-01-27.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2022, 348, 5771-5782.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 670, 1901-1925.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-5-(propylthio)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Phytochemistry, 2024, 2269, 715-721.