发明人钱学锋,何建平,徐明华. "Method for the Synthesis of 2-Ethyl-DL-proline Methyl Ester" [P]. 中国发明专利, 专利号 CN 114125284 A, 授权公告日 2015-08-26.
发明人冯建国,刘建华,高志强. "A Process for Preparing High-Purity 2-Ethyl-DL-proline Methyl Ester" [P]. 中国发明专利, 专利号 CN 113614239 B, 授权公告日 2020-05-17.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 2-乙基-DL-脯氨酸甲酯 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 1387, 1483-1502.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-乙基-DL-脯氨酸甲酯 as an Impurity". Anal. Chem., 2018, 1118, 2975-2979.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl-DL-proline Methyl Ester Using HRMS and NMR". Talanta, 2015, 155, 4886-4899.