发明人赵玉洁,杨光,朱建伟. "Method for the Synthesis of Sulfadiazine Impurity 1 (4-Hydroxy Sulfadiazine)" [P]. 中国发明专利, 专利号 CN 112286229 B, 授权公告日 2025-04-23.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of Sulfadiazine Impurity1(4-Hydroxy Sulfadiazine) in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 583, (6), 3658-3666.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of Sulfadiazine Impurity1(4-Hydroxy Sulfadiazine) as an Impurity". J. Sep. Sci., 2020, 2342, 2035-2053.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Sulfadiazine Impurity 1 (4-Hydroxy Sulfadiazine) Using HRMS and NMR". Molecules, 2023, 836, (1), 357-369.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Sulfadiazine Impurity1(4-Hydroxy Sulfadiazine) Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2024, 1454, (1), 1095-1101.