发明人钱学锋,高志强,刘建华. "Method for the Synthesis of 6-methyl-1H-indazole-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 112309487 A, 授权公告日 2018-04-22.
发明人韩伟,赵玉洁,黄志刚. "A Process for Preparing High-Purity 6-methyl-1H-indazole-5-carbaldehyde" [P]. 中国发明专利, 专利号 CN 114781009 A, 授权公告日 2023-03-27.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 6-甲基-1H-吲唑-5-甲醛 in Pharmaceutical Formulations". Chromatographia, 2016, 2121, (12), 7764-7786.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-甲基-1H-吲唑-5-甲醛 as an Impurity". Talanta, 2010, 2064, 5080-5085.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 6-methyl-1H-indazole-5-carbaldehyde Using HRMS and NMR". Biomed. Chromatogr., 2020, 1895, (11), 787-801.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 6-甲基-1H-吲唑-5-甲醛 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 810, (4), 8964-8968.