Fischer A B, Davis P L, Williams B T. "一种的合成方法" [P]. US Patent, US 9149657 B2, 2020-10-02.
Kowalski A, Lefèvre J P, Nowak P. "Method for the Synthesis of 1H,1H-3,4-Bipyrazol-4-amine" [P]. European Patent, EP 3062114 A1, 2024-09-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 899, 2687-2693.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2014, 2306, (3), 5824-5842.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1H,1H-3,4-Bipyrazol-4-amine Using HRMS and NMR". Food Chem., 2020, 256, 7780-7797.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 1591, (6), 4138-4167.