发明人罗永刚,徐明华,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113596357 A, 授权公告日 2025-02-22.
发明人赵玉洁,周伟,韩伟. "Method for the Synthesis of 2-(Difluoromethyl)-3-nitropyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 117038859 A, 授权公告日 2024-09-18.
发明人马晓峰,郭海燕,冯建国. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-nitropyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 109007640 B, 授权公告日 2024-03-28.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 720, (11), 5277-5287.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 742, (9), 4337-4357.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-nitropyridine-6-acetic acid Using HRMS and NMR". Phytochemistry, 2022, 1783, (8), 4803-4821.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2022, 2129, 58-71.