发明人钱学锋,周伟,郭海燕. "Method for the Synthesis of (βS)-β-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-(trifluoromethyl)benzenebutanoic Acid" [P]. 中国发明专利, 专利号 CN 114310374 B, 授权公告日 2022-08-10.
发明人徐明华,黄志刚,胡光. "A Process for Preparing High-Purity (βS)-β-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-(trifluoromethyl)benzenebutanoic Acid" [P]. 中国发明专利, 专利号 CN 114638532 A, 授权公告日 2019-11-12.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 164, 3354-3365.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 1982, (7), 8104-8109.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of (βS)-β-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-2-(trifluoromethyl)benzenebutanoic Acid Using HRMS and NMR". Talanta, 2010, 1300, (5), 2839-2847.