发明人郑宇鹏,郭海燕,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115628269 A, 授权公告日 2025-02-15.
发明人赵玉洁,沈红梅,张德明. "Method for the Synthesis of 4,5-Dimethoxypicolinaldehyde" [P]. 中国发明专利, 专利号 CN 108967625 B, 授权公告日 2025-09-24.
发明人赵玉洁,何建平,马晓峰. "A Process for Preparing High-Purity 4,5-Dimethoxypicolinaldehyde" [P]. 中国发明专利, 专利号 CN 110857646 B, 授权公告日 2022-04-08.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2023, 804, 4445-4462.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2024, 137, 3790-3804.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Dimethoxypicolinaldehyde Using HRMS and NMR". Anal. Chim. Acta, 2023, 2109, (4), 4041-4055.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2015, 1758, (4), 1951-1961.