发明人马晓峰,沈红梅,罗永刚. "一种4-甲基吡唑-3-甲酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 114138314 A, 授权公告日 2025-01-02.
Lee S K, Fischer A B, Davis P L. "Method for the Synthesis of Ethyl 4-Methylpyrazole-3-carboxylate" [P]. US Patent, US 10453665 B2, 2024-01-04.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 4-甲基吡唑-3-甲酸乙酯 in Pharmaceutical Formulations". J. Sep. Sci., 2014, 820, (5), 5039-5060.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-甲基吡唑-3-甲酸乙酯 as an Impurity". Talanta, 2022, 318, (8), 4698-4712.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-Methylpyrazole-3-carboxylate Using HRMS and NMR". Sci. Total Environ., 2011, 353, (4), 6933-6937.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 4-甲基吡唑-3-甲酸乙酯 Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 1619, 3809-3834.