发明人黄志刚,钱学锋,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110890343 A, 授权公告日 2016-04-19.
发明人郭海燕,韩伟,罗永刚. "Method for the Synthesis of 5-Methyl-2,3-dihydro-1H-pyrrolizine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114885168 A, 授权公告日 2024-02-14.
发明人徐明华,孙丽萍,林芳. "A Process for Preparing High-Purity 5-Methyl-2,3-dihydro-1H-pyrrolizine-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111052022 B, 授权公告日 2016-07-10.
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". Food Chem., 2015, 873, (11), 3362-3376.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2018, 1790, (3), 2097-2108.