发明人黄志刚,高志强,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112549182 A, 授权公告日 2019-06-15.
发明人胡光,韩伟,罗永刚. "Method for the Synthesis of 166442-35-9
2'-Carboxy-4-dimethylamino-2-hydroxy-4'-nitrobenzophenone
2-(4-Dimethylamino-2-hydroxybenzoyl)-5-nitrobenzoic Acid" [P]. 中国发明专利, 专利号 CN 108709829 B, 授权公告日 2025-07-10.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 762, (8), 4682-4697.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2024, 1335, (8), 5119-5136.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 166442-35-9
2'-Carboxy-4-dimethylamino-2-hydroxy-4'-nitrobenzophenone
2-(4-Dimethylamino-2-hydroxybenzoyl)-5-nitrobenzoic Acid Using HRMS and NMR". Environ. Sci. Technol., 2016, 1280, (4), 1400-1417.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2018, 1523, (12), 8608-8630.