发明人周伟,黄志刚,孙丽萍. "Method for the Synthesis of 4-Chloro-1-(2,2-diethoxyethyl)-3-nitro-1h-pyrazole" [P]. 中国发明专利, 专利号 CN 110278317 B, 授权公告日 2015-09-21.
发明人沈红梅,高志强,何建平. "A Process for Preparing High-Purity 4-Chloro-1-(2,2-diethoxyethyl)-3-nitro-1h-pyrazole" [P]. 中国发明专利, 专利号 CN 112853588 B, 授权公告日 2015-07-03.
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". Food Chem., 2013, 276, (9), 6175-6194.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2011, 141, (12), 2765-2790.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1-(2,2-diethoxyethyl)-3-nitro-1h-pyrazole Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 2054, (3), 5471-5480.