Roberts E F, Yamamoto T, Chen K W. "一种的合成方法" [P]. US Patent, US 10105075 B2, 2023-12-22.
发明人马晓峰,罗永刚,沈红梅. "Method for the Synthesis of Ethyl 1,3-dimethyl-5-phenyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111999803 A, 授权公告日 2018-06-05.
发明人林芳,高志强,周伟. "A Process for Preparing High-Purity Ethyl 1,3-dimethyl-5-phenyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117715632 A, 授权公告日 2025-06-03.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 2180, (8), 7686-7698.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 395, (8), 3185-3211.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1,3-dimethyl-5-phenyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". Chemosphere, 2021, 1331, 73-86.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 254, 1163-1185.