发明人赵玉洁,高志强,唐晓军. "Method for the Synthesis of N-(cyanomethyl)-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 110306052 A, 授权公告日 2018-06-17.
Yamamoto T, Park J H, Fischer A B. "A Process for Preparing High-Purity N-(cyanomethyl)-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide" [P]. US Patent, US 10002390 B2, 2021-01-08.
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". Anal. Chim. Acta, 2016, 2292, (3), 6931-6943.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2022, 1883, (10), 1728-1745.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of N-(cyanomethyl)-3-ethyl-1-methyl-1H-pyrazole-5-carboxamide Using HRMS and NMR". Chromatographia, 2025, 1527, (11), 6006-6010.