发明人罗永刚,张德明,黄志刚. "Method for the Synthesis of 1-Ethyl-N-isobutyl-4-nitro-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 116978388 B, 授权公告日 2015-01-21.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2015, 2356, 6656-6662.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2014, 1820, (7), 5065-5070.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-N-isobutyl-4-nitro-1H-pyrazole-5-carboxamide Using HRMS and NMR". Chemosphere, 2010, 2159, 9605-9609.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2018, 1204, 3142-3147.