Sørensen M, Johansson L, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3574601 A1, 2015-07-09.
Martínez F, Nielsen H, Schröder R. "Method for the Synthesis of 6-Chloro-4-hydroxy-3-cinnolinecarboxylic acid" [P]. European Patent, EP 3616135 A1, 2025-07-03.
发明人马晓峰,罗永刚,冯建国. "A Process for Preparing High-Purity 6-Chloro-4-hydroxy-3-cinnolinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 110873554 A, 授权公告日 2024-07-14.
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". Chromatographia, 2023, 143, (5), 4323-4330.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2010, 1076, 5863-5883.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-4-hydroxy-3-cinnolinecarboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2017, 2384, 8800-8815.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2010, 1931, 2657-2665.