Schröder R, Nowak P, Jørgensen K. "Method for the Synthesis of 4-Methoxy-3-nitro-1H-pyrazole" [P]. European Patent, EP 3448979 A1, 2018-07-16.
发明人徐明华,韩伟,朱建伟. "A Process for Preparing High-Purity 4-Methoxy-3-nitro-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 115891210 B, 授权公告日 2017-05-08.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 1490, 472-498.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 631, 4670-4680.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methoxy-3-nitro-1H-pyrazole Using HRMS and NMR". Molecules, 2015, 1635, (5), 6784-6801.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2011, 311, (5), 8579-8609.