发明人张德明,郑宇鹏,冯建国. "Method for the Synthesis of 4-Bromo-1-(2-fluoroethyl)-1H-pyrazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115125027 B, 授权公告日 2021-07-04.
Sørensen M, Schröder R, Kowalski A. "A Process for Preparing High-Purity 4-Bromo-1-(2-fluoroethyl)-1H-pyrazole-3-carboxylic acid" [P]. European Patent, EP 3224115 A1, 2023-09-23.
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". Phytochemistry, 2011, 1896, (6), 4280-4285.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 1200, 4054-4060.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1-(2-fluoroethyl)-1H-pyrazole-3-carboxylic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 85, (11), 9507-9518.