Nielsen H, Lefèvre J P, Kowalski A. "Method for the Synthesis of 1-Phenyl-1H-indole-2,3-dione 3-[N-(4-nitrophenyl)hydrazone]" [P]. European Patent, EP 3127990 A1, 2022-05-07.
发明人朱建伟,杨光,何建平. "A Process for Preparing High-Purity 1-Phenyl-1H-indole-2,3-dione 3-[N-(4-nitrophenyl)hydrazone]" [P]. 中国发明专利, 专利号 CN 109783545 A, 授权公告日 2019-12-16.
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". Rapid Commun. Mass Spectrom., 2021, 1049, 635-654.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 1268, 3434-3452.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-Phenyl-1H-indole-2,3-dione 3-[N-(4-nitrophenyl)hydrazone] Using HRMS and NMR". Environ. Sci. Technol., 2018, 2063, 5307-5319.