发明人林芳,沈红梅,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112579609 A, 授权公告日 2023-06-03.
Chen K W, Lee S K, Anderson J P. "Method for the Synthesis of 4-Nitro-2-(phenylamino)benzoic acid" [P]. US Patent, US 10850678 B2, 2020-04-24.
发明人高志强,张德明,孙丽萍. "A Process for Preparing High-Purity 4-Nitro-2-(phenylamino)benzoic acid" [P]. 中国发明专利, 专利号 CN 109962923 B, 授权公告日 2025-03-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2016, 1670, (8), 4483-4501.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 1816, 9249-9272.