发明人赵玉洁,钱学锋,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113882288 A, 授权公告日 2019-07-19.
Anderson J P, Patel M V, Park J H. "Method for the Synthesis of 7554-67-8
4-Ethyl-3,5-dimethyl-1H-pyrazole
DTXSID50341410" [P]. US Patent, US 9605258 B2, 2024-12-17.
发明人王建平,郭海燕,黄志刚. "A Process for Preparing High-Purity 7554-67-8
4-Ethyl-3,5-dimethyl-1H-pyrazole
DTXSID50341410" [P]. 中国发明专利, 专利号 CN 117161122 B, 授权公告日 2024-11-20.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2020, 1079, (3), 5214-5218.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 1326, 426-432.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 7554-67-8
4-Ethyl-3,5-dimethyl-1H-pyrazole
DTXSID50341410 Using HRMS and NMR". Anal. Chem., 2020, 2470, (11), 3947-3961.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 2246, (2), 5538-5553.