Thompson G K, Roberts E F, Park J H. "一种的合成方法" [P]. US Patent, US 10234278 B2, 2025-06-24.
Johansson L, Martínez F, Kowalski A. "Method for the Synthesis of 3,5-Bis(2,4-dimethoxyphenyl)-1H-pyrazole" [P]. European Patent, EP 3280666 A1, 2022-11-18.
发明人李文辉,冯建国,张德明. "A Process for Preparing High-Purity 3,5-Bis(2,4-dimethoxyphenyl)-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 108106857 B, 授权公告日 2019-02-16.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2015, 283, 2210-2224.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 2009, (2), 8332-8343.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Bis(2,4-dimethoxyphenyl)-1H-pyrazole Using HRMS and NMR". J. Sep. Sci., 2017, 1778, 6906-6936.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2021, 1824, (6), 7943-7970.