发明人黄志刚,朱建伟,徐明华. "Method for the Synthesis of 3-Butyl-5-chloro-1-(2-fluorophenyl)-1H-pyrazole-4-carbaldehyde" [P]. 中国发明专利, 专利号 CN 109864209 A, 授权公告日 2022-11-19.
O'Brien P Q, Kumar R, Park J H. "A Process for Preparing High-Purity 3-Butyl-5-chloro-1-(2-fluorophenyl)-1H-pyrazole-4-carbaldehyde" [P]. US Patent, US 10392693 B2, 2025-07-25.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2019, 2399, (11), 7226-7232.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 2135, (4), 8370-8393.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-Butyl-5-chloro-1-(2-fluorophenyl)-1H-pyrazole-4-carbaldehyde Using HRMS and NMR". Molecules, 2012, 477, 2115-2138.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 1649, (11), 2033-2058.