Schröder R, Johnson M A, Klinger H. "Method for the Synthesis of 4-Fluoro-1H-indazole-5-carbonitrile" [P]. US Patent, US 9851215 B2, 2015-06-07.
O'Brien P Q, Stevens L M, Chen K W. "A Process for Preparing High-Purity 4-Fluoro-1H-indazole-5-carbonitrile" [P]. US Patent, US 11098739 B2, 2015-08-17.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氟-1H-吲唑-5-甲腈 in Pharmaceutical Formulations". Chemosphere, 2023, 257, (3), 9395-9419.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氟-1H-吲唑-5-甲腈 as an Impurity". J. Nat. Prod., 2020, 2220, (6), 2664-2690.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Fluoro-1H-indazole-5-carbonitrile Using HRMS and NMR". J. Chromatogr. A, 2024, 2326, (8), 3850-3870.