Roberts E F, Mueller T, Anderson J P. "一种的合成方法" [P]. US Patent, US 11244551 B2, 2017-09-24.
发明人高志强,王建平,赵玉洁. "Method for the Synthesis of 2,5,6-trimethyl-3-oxo-2,3-dihydropyridazine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 114577868 A, 授权公告日 2022-08-16.
发明人郑宇鹏,杨光,黄志刚. "A Process for Preparing High-Purity 2,5,6-trimethyl-3-oxo-2,3-dihydropyridazine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 116712821 A, 授权公告日 2025-05-11.
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". Biomed. Chromatogr., 2022, 722, 4511-4537.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2019, 2361, (2), 3694-3713.