发明人李文辉,孙丽萍,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109794104 A, 授权公告日 2022-02-21.
发明人朱建伟,郭海燕,何建平. "Method for the Synthesis of 1,6-Dihydro-1-(1-methyl-1H-pyrazol-4-yl)-6-oxo-3-pyridinecarboxylic acid" [P]. 中国发明专利, 专利号 CN 117136943 A, 授权公告日 2015-10-23.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 225, 4641-4644.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 2454, 6303-6306.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1,6-Dihydro-1-(1-methyl-1H-pyrazol-4-yl)-6-oxo-3-pyridinecarboxylic acid Using HRMS and NMR". Phytochemistry, 2019, 444, (11), 1452-1475.