发明人郑宇鹏,唐晓军,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110052288 A, 授权公告日 2018-08-16.
发明人罗永刚,冯建国,马晓峰. "Method for the Synthesis of N-Ethyl-1-methyl-4-nitro-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 110463562 B, 授权公告日 2022-08-25.
发明人沈红梅,刘建华,黄志刚. "A Process for Preparing High-Purity N-Ethyl-1-methyl-4-nitro-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 114095163 B, 授权公告日 2018-10-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 2184, (4), 4574-4589.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1073, 7486-7501.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of N-Ethyl-1-methyl-4-nitro-1H-pyrazole-3-carboxamide Using HRMS and NMR". Sci. Total Environ., 2015, 2184, (4), 5942-5962.