Kumar R, Lee S K, Thompson G K. "一种的合成方法" [P]. US Patent, US 9689865 B2, 2024-02-21.
发明人王建平,孙丽萍,郭海燕. "Method for the Synthesis of 4-(Methoxycarbonyl)-1-methylpyridin-1-ium iodide" [P]. 中国发明专利, 专利号 CN 112660474 A, 授权公告日 2020-05-05.
Williams B T, Anderson J P, Schröder R. "A Process for Preparing High-Purity 4-(Methoxycarbonyl)-1-methylpyridin-1-ium iodide" [P]. US Patent, US 9504472 B2, 2023-01-03.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2024, 166, (6), 4559-4562.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 1966, (2), 1195-1210.