发明人赵玉洁,张德明,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108069249 A, 授权公告日 2021-01-02.
发明人郑宇鹏,钱学锋,胡光. "Method for the Synthesis of N-(2-Chloroethyl)-1-(4-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide" [P]. 中国发明专利, 专利号 CN 108361644 B, 授权公告日 2022-02-27.
发明人徐明华,黄志刚,高志强. "A Process for Preparing High-Purity N-(2-Chloroethyl)-1-(4-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide" [P]. 中国发明专利, 专利号 CN 110478037 B, 授权公告日 2020-10-17.
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., 2012, 303, 2273-2294.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1066, (9), 141-159.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-Chloroethyl)-1-(4-fluorophenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 1316, (7), 308-322.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2018, 2336, (10), 5301-5313.