Chen K W, Park J H, Lee S K. "一种的合成方法" [P]. US Patent, US 9749858 B2, 2024-05-18.
Hughes D C, Roberts E F, Mueller T. "Method for the Synthesis of N,2-Dimethoxy-N-methylisonicotinamide" [P]. US Patent, US 9908527 B2, 2025-06-10.
发明人高志强,赵玉洁,徐明华. "A Process for Preparing High-Purity N,2-Dimethoxy-N-methylisonicotinamide" [P]. 中国发明专利, 专利号 CN 114349169 A, 授权公告日 2022-10-25.
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". Talanta, 2020, 719, (6), 6383-6390.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 2245, (5), 6994-7002.