Rossi M, Björnsson E, Nielsen H. "Method for the Synthesis of (2R,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-methoxypyrrolidine-2-carboxylic acid" [P]. European Patent, EP 3657988 A1, 2016-09-15.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 832, 9267-9271.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2016, 1632, 2129-2154.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (2R,4R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-methoxypyrrolidine-2-carboxylic acid Using HRMS and NMR". Molecules, 2018, 909, 5515-5541.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 1155, 8000-8025.