发明人张德明,周伟,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108933398 A, 授权公告日 2016-04-28.
发明人冯建国,赵玉洁,唐晓军. "Method for the Synthesis of 8-((4-Amino-3-nitrophenyl)diazenyl)-7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium Chloride (Technical Grade)" [P]. 中国发明专利, 专利号 CN 117421239 B, 授权公告日 2024-12-17.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 2317, (7), 2442-2460.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 572, (4), 3280-3285.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 8-((4-Amino-3-nitrophenyl)diazenyl)-7-hydroxy-N,N,N-trimethylnaphthalen-2-aminium Chloride (Technical Grade) Using HRMS and NMR". Talanta, 2020, 304, 9793-9816.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 2097, (3), 2871-2882.