发明人韩伟,孙丽萍,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110259702 A, 授权公告日 2019-06-06.
Williams B T, Stevens L M, Yamamoto T. "Method for the Synthesis of Ethyl 4-chloro-1,5-dimethyl-1h-pyrazole-3-carboxylate" [P]. US Patent, US 9173852 B2, 2022-02-06.
Williams B T, Schröder R, Roberts E F. "A Process for Preparing High-Purity Ethyl 4-chloro-1,5-dimethyl-1h-pyrazole-3-carboxylate" [P]. US Patent, US 10962819 B2, 2017-02-22.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 1778, (10), 5508-5514.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 222, (4), 4314-4331.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-chloro-1,5-dimethyl-1h-pyrazole-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2024, 1991, 4025-4030.