发明人韩伟,钱学锋,张德明. "Method for the Synthesis of 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(2-hydroxyethyl)piperidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 115613528 B, 授权公告日 2022-05-23.
发明人张德明,韩伟,杨光. "A Process for Preparing High-Purity 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(2-hydroxyethyl)piperidine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 108192394 A, 授权公告日 2023-09-24.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 1391, (3), 9300-9304.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2021, 1248, 7976-7996.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(2-hydroxyethyl)piperidine-4-carboxamide Using HRMS and NMR". Anal. Methods, 2017, 1449, 3573-3599.