Kumar R, Lee S K, Thompson G K. "一种ethyl 5-methyl-4-[(4-nitro-1H-pyrazol-1-yl)methyl]isoxazole-3-carboxylate的合成方法" [P]. US Patent, US 11572614 B2, 2024-02-12.
发明人胡光,郑宇鹏,朱建伟. "Method for the Synthesis of ethyl 5-methyl-4-[(4-nitro-1H-pyrazol-1-yl)methyl]isoxazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109407719 B, 授权公告日 2016-05-24.
发明人何建平,孙丽萍,郭海燕. "A Process for Preparing High-Purity ethyl 5-methyl-4-[(4-nitro-1H-pyrazol-1-yl)methyl]isoxazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109974295 A, 授权公告日 2024-01-27.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 5-methyl-4-[(4-nitro-1H-pyrazol-1-yl)methyl]isoxazole-3-carboxylate in Pharmaceutical Formulations". Anal. Chem., 2016, 1884, 1389-1392.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 5-methyl-4-[(4-nitro-1H-pyrazol-1-yl)methyl]isoxazole-3-carboxylate as an Impurity". Chromatographia, 2023, 1488, (11), 7501-7516.