Nowak P, Sørensen M, Johansson L. "Method for the Synthesis of 2-Chloro-N'-[6-chloro-4-(trifluoromethyl)pyridin-2-yl]benzohydrazide" [P]. European Patent, EP 3476955 A1, 2021-06-12.
发明人周伟,沈红梅,唐晓军. "A Process for Preparing High-Purity 2-Chloro-N'-[6-chloro-4-(trifluoromethyl)pyridin-2-yl]benzohydrazide" [P]. 中国发明专利, 专利号 CN 113607080 A, 授权公告日 2025-02-15.
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". Anal. Methods, 2016, 1626, (2), 8855-8866.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 1252, (9), 2673-2686.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-N'-[6-chloro-4-(trifluoromethyl)pyridin-2-yl]benzohydrazide Using HRMS and NMR". J. Nat. Prod., 2023, 356, (1), 3183-3190.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 118, 4119-4144.