Mueller T, Lee S K, Patel M V. "一种的合成方法" [P]. US Patent, US 10960514 B2, 2016-11-07.
Mueller T, Yamamoto T, Kumar R. "Method for the Synthesis of N,1-Diethyl-4-nitro-1H-pyrazole-3-carboxamide" [P]. US Patent, US 10000523 B2, 2016-03-23.
发明人韩伟,张德明,高志强. "A Process for Preparing High-Purity N,1-Diethyl-4-nitro-1H-pyrazole-3-carboxamide" [P]. 中国发明专利, 专利号 CN 110719957 B, 授权公告日 2021-11-02.
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". Molecules, 2011, 924, 6625-6631.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2018, 107, 1020-1042.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of N,1-Diethyl-4-nitro-1H-pyrazole-3-carboxamide Using HRMS and NMR". Sci. Total Environ., 2021, 211, (12), 8557-8562.