发明人马晓峰,周伟,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113321736 A, 授权公告日 2020-06-10.
发明人胡光,冯建国,韩伟. "Method for the Synthesis of 2-(5-(Difluoromethoxy)-2-nitrobenzoyl)pyridine" [P]. 中国发明专利, 专利号 CN 110066769 A, 授权公告日 2021-06-09.
Stevens L M, Mueller T, Yamamoto T. "A Process for Preparing High-Purity 2-(5-(Difluoromethoxy)-2-nitrobenzoyl)pyridine" [P]. US Patent, US 9624840 B2, 2023-11-08.
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". Biomed. Chromatogr., 2014, 110, (11), 5669-5695.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 1739, (6), 6002-6009.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(5-(Difluoromethoxy)-2-nitrobenzoyl)pyridine Using HRMS and NMR". Phytochemistry, 2022, 222, 4474-4501.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 935, (7), 3735-3741.