发明人罗永刚,沈红梅,马晓峰. "Method for the Synthesis of ethyl 1-methyl-4-nitro-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117884529 A, 授权公告日 2025-04-27.
发明人罗永刚,黄志刚,赵玉洁. "A Process for Preparing High-Purity ethyl 1-methyl-4-nitro-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111229553 A, 授权公告日 2025-07-15.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 乙基 1-甲基-4-硝基-1H-吡唑-5-甲酸基酯 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2011, 1272, (5), 4383-4404.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 乙基 1-甲基-4-硝基-1H-吡唑-5-甲酸基酯 as an Impurity". Sci. Total Environ., 2017, 2467, 6497-6500.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 1-methyl-4-nitro-1H-pyrazole-5-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2018, 1036, (11), 5371-5379.