Mueller T, O'Brien P Q, Williams B T. "Method for the Synthesis of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3,3-difluoro-3-phenylpropanoic acid" [P]. US Patent, US 11763236 B2, 2024-12-17.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 1139, (7), 4244-4272.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2011, 1170, 4804-4820.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3,3-difluoro-3-phenylpropanoic acid Using HRMS and NMR". Phytochemistry, 2025, 2436, 1775-1804.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 215, 843-869.