Lee S K, Park J H, Brown S R. "一种的合成方法" [P]. US Patent, US 9643482 B2, 2016-05-24.
发明人刘建华,胡光,高志强. "Method for the Synthesis of Methyl 4-cyano-1-methyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109661679 B, 授权公告日 2020-08-11.
发明人林芳,唐晓军,胡光. "A Process for Preparing High-Purity Methyl 4-cyano-1-methyl-1H-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111397787 A, 授权公告日 2024-08-08.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 2024, 2977-2985.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2021, 1440, (3), 9342-9365.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-cyano-1-methyl-1H-pyrazole-5-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2011, 666, (6), 7318-7329.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 1637, (9), 5252-5278.