发明人罗永刚,胡光,徐明华. "一种1H-吡唑-3,4-二胺硫酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 112436180 A, 授权公告日 2024-11-12.
发明人马晓峰,赵玉洁,陈志强. "Method for the Synthesis of 1H-pyrazole-3,4-diamine sulfate" [P]. 中国发明专利, 专利号 CN 114648499 A, 授权公告日 2025-07-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 1H-吡唑-3,4-二胺硫酸盐 in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1294, 4626-4653.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1H-吡唑-3,4-二胺硫酸盐 as an Impurity". Talanta, 2015, 208, (3), 9251-9254.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1H-pyrazole-3,4-diamine sulfate Using HRMS and NMR". Molecules, 2010, 964, (7), 5984-6011.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 1H-吡唑-3,4-二胺硫酸盐 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 1970, (8), 6190-6209.