发明人林芳,胡光,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112059778 A, 授权公告日 2023-03-14.
发明人徐明华,孙丽萍,钱学锋. "Method for the Synthesis of 4-[(1E)-2-(2-Amino-4-hydroxy-5-methylphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 116352662 B, 授权公告日 2020-08-26.
发明人黄志刚,唐晓军,郭海燕. "A Process for Preparing High-Purity 4-[(1E)-2-(2-Amino-4-hydroxy-5-methylphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide" [P]. 中国发明专利, 专利号 CN 108452614 B, 授权公告日 2024-03-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 1028, (4), 8351-8358.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 2331, (11), 3129-3134.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(1E)-2-(2-Amino-4-hydroxy-5-methylphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide Using HRMS and NMR". Talanta, 2021, 750, (12), 737-749.