发明人黄志刚,徐明华,胡光. "Method for the Synthesis of 3-Methyl-4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 112146516 B, 授权公告日 2019-09-21.
发明人何建平,钱学锋,郭海燕. "A Process for Preparing High-Purity 3-Methyl-4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 112748891 B, 授权公告日 2017-07-16.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 1022, (1), 3110-3117.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2018, 2260, 9216-9244.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-4-nitro-1-(2,2,2-trifluoroethyl)-1H-pyrazole-5-carboxamide Using HRMS and NMR". Talanta, 2010, 2206, (4), 749-756.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2015, 1319, (6), 5818-5833.