Lee S K, Patel M V, Klinger H. "一种4-氟-1H-吲唑-6-甲腈的合成方法" [P]. US Patent, US 10801881 B2, 2023-07-07.
Rossi M, Jørgensen K, Kowalski A. "Method for the Synthesis of 4-fluoro-1H-indazole-6-carbonitrile" [P]. European Patent, EP 3919111 A1, 2025-08-15.
发明人钱学锋,王建平,周伟. "A Process for Preparing High-Purity 4-fluoro-1H-indazole-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 109978906 A, 授权公告日 2018-07-13.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氟-1H-吲唑-6-甲腈 in Pharmaceutical Formulations". Chromatographia, 2016, 1799, (3), 1136-1166.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氟-1H-吲唑-6-甲腈 as an Impurity". Molecules, 2013, 1501, (8), 7064-7087.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-fluoro-1H-indazole-6-carbonitrile Using HRMS and NMR". J. Sep. Sci., 2011, 2434, (8), 2942-2957.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 4-氟-1H-吲唑-6-甲腈 Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 2444, 124-135.