发明人林芳,杨光,朱建伟. "Method for the Synthesis of 4,4-Difluoro-1-methylpyrrolidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113133479 B, 授权公告日 2019-05-28.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 457, (9), 5706-5711.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2012, 1983, (1), 9161-9181.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Difluoro-1-methylpyrrolidine-2-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2012, 1169, (2), 9569-9575.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2018, 1472, (10), 748-752.