Fischer A B, Patel M V, Hughes D C. "一种的合成方法" [P]. US Patent, US 9481953 B2, 2015-10-20.
发明人李文辉,黄志刚,罗永刚. "Method for the Synthesis of 1-Butyl-1H-indazole-6-carbaldehyde" [P]. 中国发明专利, 专利号 CN 113419892 B, 授权公告日 2024-08-18.
发明人张德明,韩伟,郑宇鹏. "A Process for Preparing High-Purity 1-Butyl-1H-indazole-6-carbaldehyde" [P]. 中国发明专利, 专利号 CN 115080254 B, 授权公告日 2023-07-07.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2014, 125, (8), 2011-2024.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 324, 2552-2560.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Butyl-1H-indazole-6-carbaldehyde Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 2323, 8799-8827.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2013, 1282, (4), 3372-3391.