Johansson L, Kowalski A, Schröder R. "一种4-(4′-Hydroxyphenylazo)benzoic acid的合成方法" [P]. European Patent, EP 3317813 A1, 2019-11-10.
发明人徐明华,刘建华,朱建伟. "Method for the Synthesis of 4-(4′-Hydroxyphenylazo)benzoic acid" [P]. 中国发明专利, 专利号 CN 115590912 B, 授权公告日 2024-09-06.
Lee S K, Kumar R, Stevens L M. "A Process for Preparing High-Purity 4-(4′-Hydroxyphenylazo)benzoic acid" [P]. US Patent, US 10508051 B2, 2021-07-27.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(4′-Hydroxyphenylazo)benzoic acid in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 1567, (3), 950-970.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(4′-Hydroxyphenylazo)benzoic acid as an Impurity". J. Agric. Food Chem., 2020, 446, 623-638.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4′-Hydroxyphenylazo)benzoic acid Using HRMS and NMR". J. Sep. Sci., 2016, 802, (11), 4882-4909.