发明人王建平,杨光,沈红梅. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 116385794 A, 授权公告日 2019-10-23.
发明人刘建华,钱学锋,何建平. "Method for the Synthesis of 5-Hydroxy-[1,1'-biphenyl]-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114326777 B, 授权公告日 2023-04-23.
发明人杨光,罗永刚,马晓峰. "A Process for Preparing High-Purity 5-Hydroxy-[1,1'-biphenyl]-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 113764256 A, 授权公告日 2019-11-07.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Sci. Total Environ., 2014, 344, (11), 9611-9617.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Anal. Methods, 2017, 348, (5), 7705-7735.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxy-[1,1'-biphenyl]-3-carbaldehyde Using HRMS and NMR". Anal. Chem., 2024, 1801, (12), 1238-1241.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2023, 430, 8919-8941.