发明人钱学锋,周伟,冯建国. "Method for the Synthesis of 1-(3-Hydroxypropyl)-5-methylpyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 110811479 A, 授权公告日 2015-09-04.
发明人孙丽萍,赵玉洁,马晓峰. "A Process for Preparing High-Purity 1-(3-Hydroxypropyl)-5-methylpyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 112065131 A, 授权公告日 2018-10-26.
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". Anal. Methods, 2018, 1052, 637-667.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 1653, (8), 7190-7198.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Hydroxypropyl)-5-methylpyrrolidin-2-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 2218, 8470-8483.