Thompson G K, Davis P L, Johnson M A. "一种4-(Methylamino)azobenzene的合成方法" [P]. US Patent, US 10491349 B2, 2019-09-12.
发明人郭海燕,刘建华,胡光. "Method for the Synthesis of 4-(Methylamino)azobenzene" [P]. 中国发明专利, 专利号 CN 115546709 A, 授权公告日 2025-06-28.
发明人朱建伟,唐晓军,赵玉洁. "A Process for Preparing High-Purity 4-(Methylamino)azobenzene" [P]. 中国发明专利, 专利号 CN 117583845 A, 授权公告日 2025-09-09.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(Methylamino)azobenzene in Pharmaceutical Formulations". Anal. Chem., 2011, 1119, (7), 5166-5183.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(Methylamino)azobenzene as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1344, (9), 2548-2557.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Methylamino)azobenzene Using HRMS and NMR". Food Chem., 2021, 929, (7), 6140-6145.