Thompson G K, Hughes D C, Patel M V. "Method for the Synthesis of n-{1-[4-(1h-pyrazol-1-yl)phenyl]ethylidene}hydroxylamine" [P]. US Patent, US 10016030 B2, 2017-07-02.
Mueller T C, Björnsson E, Johansson L. "A Process for Preparing High-Purity n-{1-[4-(1h-pyrazol-1-yl)phenyl]ethylidene}hydroxylamine" [P]. European Patent, EP 3053195 A1, 2022-07-17.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 95, (10), 8457-8461.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2018, 1265, (6), 6492-6503.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of n-{1-[4-(1h-pyrazol-1-yl)phenyl]ethylidene}hydroxylamine Using HRMS and NMR". J. Agric. Food Chem., 2021, 971, (11), 669-676.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2021, 2257, (11), 2509-2522.