Yamamoto T, Stevens L M, O'Brien P Q. "Method for the Synthesis of 1-Methyl-2-(1-methyl-1h-pyrazol-4-yl)-6-oxopiperidine-3-carboxamide" [P]. US Patent, US 10890991 B2, 2024-07-28.
发明人林芳,胡光,冯建国. "A Process for Preparing High-Purity 1-Methyl-2-(1-methyl-1h-pyrazol-4-yl)-6-oxopiperidine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111461399 B, 授权公告日 2017-11-18.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2011, 425, (1), 366-371.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1630, 1888-1897.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-2-(1-methyl-1h-pyrazol-4-yl)-6-oxopiperidine-3-carboxamide Using HRMS and NMR". Environ. Sci. Technol., 2013, 218, (7), 4372-4386.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2010, 1592, (6), 3707-3725.