Schröder R, Klinger H, Davis P L. "一种的合成方法" [P]. US Patent, US 9876596 B2, 2025-09-28.
Davis P L, Kumar R, Brown S R. "Method for the Synthesis of 4-Methyl-5-(pyridin-3-yl)-1H-pyrazol-3(2H)-one" [P]. US Patent, US 11469062 B2, 2019-06-20.
发明人胡光,高志强,杨光. "A Process for Preparing High-Purity 4-Methyl-5-(pyridin-3-yl)-1H-pyrazol-3(2H)-one" [P]. 中国发明专利, 专利号 CN 115641833 A, 授权公告日 2020-01-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2015, 650, 4337-4341.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 2348, (1), 2017-2027.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-5-(pyridin-3-yl)-1H-pyrazol-3(2H)-one Using HRMS and NMR". Talanta, 2024, 1348, 2994-3001.