发明人黄志刚,李文辉,周伟. "Method for the Synthesis of 3-(Methoxycarbonyl)-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115749007 A, 授权公告日 2023-02-17.
Yamamoto T, Chen K W, Brown S R. "A Process for Preparing High-Purity 3-(Methoxycarbonyl)-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid" [P]. US Patent, US 9492266 B2, 2020-08-26.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 1718, 8731-8748.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 1867, (8), 6290-6306.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Methoxycarbonyl)-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". Talanta, 2025, 521, (3), 6107-6114.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2018, 1427, (3), 5267-5278.