Yamamoto T, Stevens L M, Johnson M A. "Method for the Synthesis of 5-Amino-4-fluoro-1,3-dimethyl-1H-pyrazole" [P]. US Patent, US 11547407 B2, 2021-12-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 1,3-二甲基-5-氨基-4-氟-1H-吡唑 in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1604, (8), 7615-7641.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,3-二甲基-5-氨基-4-氟-1H-吡唑 as an Impurity". Anal. Methods, 2024, 443, 9537-9551.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-4-fluoro-1,3-dimethyl-1H-pyrazole Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 673, (7), 2772-2782.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate 1,3-二甲基-5-氨基-4-氟-1H-吡唑 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2022, 1590, (2), 6669-6678.