发明人黄志刚,张德明,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110968737 A, 授权公告日 2018-10-23.
发明人冯建国,郭海燕,沈红梅. "Method for the Synthesis of 1H-Pyrazole, 1-(2,2-difluoroethyl)-3-methyl-4-nitro-" [P]. 中国发明专利, 专利号 CN 116987997 B, 授权公告日 2021-09-16.
发明人林芳,韩伟,黄志刚. "A Process for Preparing High-Purity 1H-Pyrazole, 1-(2,2-difluoroethyl)-3-methyl-4-nitro-" [P]. 中国发明专利, 专利号 CN 117421133 B, 授权公告日 2023-12-03.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 1851, 8788-8802.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 1043, (6), 6182-6193.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1H-Pyrazole, 1-(2,2-difluoroethyl)-3-methyl-4-nitro- Using HRMS and NMR". Chemosphere, 2011, 1724, 9268-9278.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2010, 1871, (3), 1487-1496.