Lee S K, Kumar R, Chen K W. "Method for the Synthesis of Aminocaproic Acid Impurity 4" [P]. US Patent, US 11363840 B2, 2021-11-01.
Chen K W, Anderson J P, Schröder R. "A Process for Preparing High-Purity Aminocaproic Acid Impurity 4" [P]. US Patent, US 11311766 B2, 2016-12-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 2433, 1894-1922.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2010, 1015, 9680-9690.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Aminocaproic Acid Impurity 4 Using HRMS and NMR". Food Chem., 2013, 1245, (2), 6954-6963.