Brown S R, Fischer A B, Schröder R. "Method for the Synthesis of 3,5-Dimethyl-1H-pyrazol-4-ol" [P]. US Patent, US 9321555 B2, 2022-09-25.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 846, 3702-3708.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2020, 1016, (3), 6989-7013.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Dimethyl-1H-pyrazol-4-ol Using HRMS and NMR". Anal. Methods, 2015, 1217, (1), 1534-1539.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 228, 7123-7133.