Martínez F, Rossi M, Johansson L. "一种的合成方法" [P]. European Patent, EP 3774035 A1, 2015-03-03.
Schröder R, Thompson G K, Williams B T. "Method for the Synthesis of 4-Hydroxy-3-methyl-4-nitro-1-phenyl-1H-pyrazol-5(4H)-one" [P]. US Patent, US 10628895 B2, 2019-10-12.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 1955, (12), 8644-8662.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 1206, 9553-9565.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-3-methyl-4-nitro-1-phenyl-1H-pyrazol-5(4H)-one Using HRMS and NMR". Phytochemistry, 2022, 2413, (9), 2030-2039.