Rossi M, Nielsen H, Johansson L. "一种的合成方法" [P]. European Patent, EP 3762013 A1, 2019-10-07.
Hughes D C, Mueller T, Stevens L M. "Method for the Synthesis of 5-(2-Methylpyrazolo[1,5-a]pyridine-3-carbonyl)pyridin-2(1H)-one" [P]. US Patent, US 11454405 B2, 2022-08-10.
发明人张德明,朱建伟,赵玉洁. "A Process for Preparing High-Purity 5-(2-Methylpyrazolo[1,5-a]pyridine-3-carbonyl)pyridin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 112385915 A, 授权公告日 2020-03-11.
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". Environ. Sci. Technol., 2020, 321, (6), 3533-3563.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2015, 2070, 9682-9687.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Methylpyrazolo[1,5-a]pyridine-3-carbonyl)pyridin-2(1H)-one Using HRMS and NMR". Molecules, 2013, 2160, (10), 5297-5322.