发明人钱学锋,韩伟,沈红梅. "Method for the Synthesis of methyl 2-methyl-5-nitro-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110082748 A, 授权公告日 2022-10-17.
发明人张德明,徐明华,何建平. "A Process for Preparing High-Purity methyl 2-methyl-5-nitro-pyrazole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110612865 B, 授权公告日 2020-08-01.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 458, (2), 518-537.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2024, 652, 5497-5525.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of methyl 2-methyl-5-nitro-pyrazole-3-carboxylate Using HRMS and NMR". Anal. Methods, 2014, 1348, (9), 9918-9925.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 719, (6), 105-111.