Rossi M, Nielsen H, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3304411 A1, 2020-01-25.
发明人孙丽萍,赵玉洁,徐明华. "Method for the Synthesis of 1-Methyl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 109151096 B, 授权公告日 2017-10-14.
发明人张德明,郑宇鹏,朱建伟. "A Process for Preparing High-Purity 1-Methyl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 110717224 A, 授权公告日 2015-01-15.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 1338, (1), 7700-7729.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 2327, 5321-5334.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-6-carbonitrile Using HRMS and NMR". Environ. Sci. Technol., 2014, 2293, 2079-2101.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2018, 110, (12), 2493-2518.