Davis P L, Anderson J P, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9461778 B2, 2022-12-25.
Rossi M, Nielsen H, Kowalski A. "Method for the Synthesis of 4-(((tert-Butoxycarbonyl)(cyclopentyl)amino)methyl)benzoic acid" [P]. European Patent, EP 3578076 A1, 2017-04-07.
Anderson J P, Thompson G K, Yamamoto T. "A Process for Preparing High-Purity 4-(((tert-Butoxycarbonyl)(cyclopentyl)amino)methyl)benzoic acid" [P]. US Patent, US 10742391 B2, 2022-07-09.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2012, 1364, (10), 9767-9781.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2017, 1618, (8), 3258-3265.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-(((tert-Butoxycarbonyl)(cyclopentyl)amino)methyl)benzoic acid Using HRMS and NMR". Biomed. Chromatogr., 2012, 1430, (1), 4140-4156.