Anderson J P, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 10038299 B2, 2018-07-17.
发明人唐晓军,沈红梅,胡光. "Method for the Synthesis of Sulfinpyrazone - Impurity B" [P]. 中国发明专利, 专利号 CN 114544816 B, 授权公告日 2025-06-27.
发明人孙丽萍,郭海燕,杨光. "A Process for Preparing High-Purity Sulfinpyrazone - Impurity B" [P]. 中国发明专利, 专利号 CN 113268908 B, 授权公告日 2024-09-14.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2013, 1066, (4), 9331-9338.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 2468, 3244-3269.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Sulfinpyrazone - Impurity B Using HRMS and NMR". Chromatographia, 2023, 1277, 2522-2528.