发明人钱学锋,高志强,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110638034 A, 授权公告日 2020-07-22.
Thompson G K, Hughes D C, Johnson M A. "Method for the Synthesis of 4-Methyl-piperazine-2-carboxylic acid amide dihydrochloride" [P]. US Patent, US 11463669 B2, 2020-09-11.
发明人周伟,沈红梅,高志强. "A Process for Preparing High-Purity 4-Methyl-piperazine-2-carboxylic acid amide dihydrochloride" [P]. 中国发明专利, 专利号 CN 110264056 B, 授权公告日 2022-02-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 1667, (6), 3169-3180.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2012, 360, (11), 9751-9766.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-piperazine-2-carboxylic acid amide dihydrochloride Using HRMS and NMR". Anal. Chem., 2018, 1871, (10), 7702-7732.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 2005, (6), 8589-8607.